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[answered] MKT572 Group Project2 There are several requirements for gr


Group Project 2

Chapter 16. P.436, SPSS Exercise 3 (40 points).

EXERCISE #3: ANOVA Test for Independent Samples


MKT572 Group Project2

 

There are several requirements for group project. Failure to meet the submission

 

requirement will result in a deduction of 10 points from your grade.

 

1. In your cover page, list the full name of all group members, course number and

 

section number.

 

2. Each group can only send one combined file.

 

3. Each assignment cannot exceed 15 pages. Only word file is accepted.

 

4. Please copy and paste only relevant tables and figures into your word file.

 

5. Please use this template for your group reports. Please be noted that some questions

 

are procedures. You don?t need to provide answers. For those questions requiring

 

your answer, I put a ?Answer:? below each question. You need to provide your

 

answers to those questions. If I provide an example in the answer, you should follow

 

my example. For some questions, I give answers directly. If I state that the answer is

 

already provided, you don?t need to answer those questions.

 

6. Chapter 15, EX1 requires you to use the SPSS movie data with error. This is the

 

only exercise that needs to be done using the data with errors. All datasets are

 

uploaded under doc sharing. Question 1 of Chapter 15 use the file titled " program

 

file. movie. attendance. with errors. sav" . The other questions use the file "program

 

file.movie attendance. sav".

 

7. If your group member does not finish his/her part or don?t respond to group emails,

 

please notify me at least one week ahead of submission. I may eliminate this person

 

from your group and let the person do the project alone. Please be noted that it is

 

your group?s responsibility to submit a complete project report. Your grade is only

 

based on the final report. If a person fails to finish his/her part, your group is

 

responsible for the completion of the report. My suggestion is that everyone should

 

finish all parts of the project and compare your answers inside group members.

 

8. In the end of the project, there is a peer evaluation form for you to fill in. Please

 

read the instructions carefully. I don?t allow for any type of free rider behavior in

 

group project. If you feel your group member does not deserve the credit, just let me

 

know. It is possible that a particular member gets zero score due to lack of

 

contribution. Group Project 2

 

Chapter 16. P.436, SPSS Exercise 3 (40 points).

 

EXERCISE #3: ANOVA Test for Independent Samples

 

Invoke the analyze/compare means/One-Way ANOVA sequence to invoke the ANOVA test to

 

complete this exercise. This exercise compares the responses of freshmen, sophomores, juniors,

 

seniors, and graduate students to test for significant differences in the importance placed on several

 

1 movie theater items. For the ANOVA test, SPSS calls the variable in which means are being

 

computed the independent variable and the variable in which we are grouping responses the factor

 

variable. Be sure to click the options icon and check descriptive so that the output will produce the

 

mean responses by student classification for the sample data. As with the t test, the ANOVA test

 

produces a table of descriptives based on sample data. If our ANOVA test is significant, the

 

descriptives can be used to determine, for example, which student classification places the most

 

importance on comfortable seats. From our sample data, can we generalize our results to the

 

population by saying that there are significant differences across the classification of students by

 

the importance they place on the following movie theater items?

 

Answer:

 

1. Video arcade at the movie theater (Q5a)? No. .548

 

2. Soft drinks and food items (Q5b)?

 

3. Plentiful restrooms (Q5c)?

 

4. Comfortable chairs (Q5d)?

 

5. Auditorium-type seating (Q5e)?

 

6. Size of the movie theater screen (Q5f)?

 

7. Quality of the sound system (Q5g)?

 

8. Number of screens at the movie theater (Q5h)?

 

9. Clean restrooms (Q5i)?

 

10. Using only descriptive statistics, which classification group (Q13) places the least amount of

 

importance on clean restrooms (Q5i)?

 

Answer:

 

11. Using only the descriptive statistics, which classification group (Q13) places the greatest amount

 

of importance on quality of sound system (Q5i)?

 

Answer:

 

Summarize the results of your ANOVA analysis using a table similar to the one below:

 

2 How important is the DF F Sig Interpretation 4, 442 0.766 .548 There are no significant differences between the following when choosing a

 

movie theatre?

 

a) Video Arcade at the Movie

 

Theatre classifications Chapter 18. P. 496?498. SPSS exercise 1. (40 points).

 

EXERCISE 1: Multivariate Regression

 

This exercise uses Multivariate Regression to explain and predict how many movies a respondent attends

 

in a month.

 

1. Go to the Web site for the text and download the Movie database. 2. Open the database in SPSS and view the variables under Variable View. We will be using the

 

independent variables Q2, Q4, Q6, Q8a, Q8b, Q9, Q10, Q12, and Q13 to predict the dependent

 

variable Q3. We are including the variables Q4 and Q6 as is. Strictly speaking, is this proper? What

 

might you want to do instead and why? Why might you decide to leave the variable in bins instead?

 

Would it ever be proper to use a variable like Q11 as is? 3 Answer (provided already, you don?t need to answer this question):

 

Q4 and Q6 are ordinal scaled, whereas regression requires metric scaled predictors. The appropriate

 

method would be to create three dummy variables for Q4 (it has four categories) and four dummy

 

variables for Q6 (it has 5 categories). Q11 is nominally scaled. It would not be useful to try to apply

 

numerical analysis to nominal data beyond a simple frequency analysis.

 

Q4 has four categories, so you can create three dummy variables.

 

Category / value X1 X2 X3 Never buy food items at

 

movies

 

Up to $7.49 0 0 0 1 0 0 $7.50 to $14.99 0 1 0 $15.00 or more 0 0 1 Q6 has five categories, so you can create four dummy variables.

 

Category / value X1 X2 X3 X4 Zero

 

1 to 9 miles 0

 

1 0

 

0 0

 

0 0

 

0 11 to 24 miles

 

25 to 49 Miles 0

 

0 1

 

0 0

 

1 0

 

0 50+ miles 0 0 0 1 The data from question 11 is nominal. The categories are assigned arbitrary values, so the data is not

 

useful for regression or many other types of quantitative analysis. 3. Go to analyze/descriptive statistics/descriptives and move Q3, Q2, Q4, Q6, Q8a, Q8b, Q8c, Q8d,

 

Q9, Q10, Q12, and Q13 to the Variable(s) box and click OK. Multivariate techniques require that

 

every variable have a legitimate value. If a respondent did not answer every question, then the

 

analyst must either ignore the observation entirely or impute estimates for the missing values. The

 

default for statistical software is to ignore those observations automatically. We will not do

 

imputation for this exercise. a. What will be the sample size for later multivariate techniques? 4 Descriptive Statistics

 

N

 

(Q3)On average, about how many Minimum Maximum Mean Std. Deviation 448 .0 12.0 1.576 1.2519 448 1 4 2.25 .803 449 0 3 .94 .748 448 0 4 2.47 .821 446 0 95 7.11 16.177 446 0 100 82.08 23.727 446 0 100 10.06 17.167 446 0 30 .75 3.709 498 1 4 3.21 .723 500 1 4 3.26 .749 (Q12)Gender: 500 0 1 .54 .499 (Q13)Classification: 500 1 5 3.10 1.239 Valid N (listwise) 442 movies do you attend at a movie theatre

 

each month?

 

(Q2)Indicate how important you

 

consider going to the movies at a movie

 

theatre, relative to other leisure

 

activities.

 

(Q4)Not including the cost of the movie

 

ticket, about how much do you spend on

 

popcorn, candy, softdrinks, etc. at a

 

movie?

 

(Q6)If your community did not have a

 

"big screen" theatre, how much further

 

would you drive beyond the cinema

 

nearest to you to see a movie at a "big

 

screen" theatre?

 

(Q8a)Of all the movie tickets that you

 

have ever purchased, what percentage

 

were purchased: Via the Internet

 

(Q8b)Of all the movie tickets that you

 

have ever purchased, what percentage

 

were purchased: At the theatre right

 

before the movie started

 

(Q8c)Of all the movie tickets that you

 

have ever purchased, what percentage

 

were purchased: At the theatre, but the

 

movie played at a later time

 

(Q8d)Of all the movie tickets that you

 

have ever purchased, what percentage

 

were purchased: Using some other

 

purchase option

 

(Q9)How physically active do you

 

consider yourself?

 

(Q10)How Socially active do you

 

consider yourself? 5 Answer: 442 (answer provided)

 

b. Is this sample size large enough for multivariate regression?

 

Answer:

 

c. What would some possible problems be if the sample size were not large enough?

 

Answer: d. Are the minimum and maximum values for each variable within the proper range?

 

Answer (provided):

 

Yes. A value that is out of range would indicate either a data input error or a user-defined missing value

 

like ?Refused? or ?Don?t Know.? Data input errors should be corrected or deleted. User-defined missing

 

values should be declared in SPSS. e. Are all the variables within the proper range?

 

Answer: 4. Go to analyze/regression/linear.

 

Move Q3 to Dependent

 

Move Q2, Q4, Q6, Q8a, Q8b, Q8c, Q8d, Q9, Q10, Q12, and Q13 to Independent(s).

 

Change Method to Stepwise

 

Click OK

 

a. Which independent variables did the stepwise regression select? Why not the rest? 6 Answer: b. Is each variable chosen significant?

 

Answer:

 

c. Are the variables that have not been chosen necessarily insignificant?

 

Answer:

 

d. Is the model significant?

 

Answer: you need to provide the necessary output and highlight the key number. e. Does this method guarantee that you will get the ?best? model?

 

Answer: 5. Go to analyze/descriptive statistics/descriptives and remove Q6, Q8a, Q8b, Q8c, Q8d, Q9, Q10,

 

and Q12 from the Variable(s) box, so that only Q3, Q2, Q4, and Q13 remain in the box and then

 

click OK. What is the sample size now?

 

Answer: 6. Go to analyze/regression/linear

 

Move Q3 to Dependent

 

Remove Q6, Q8a, Q8b, Q8c, Q8d, Q9, Q10, and Q12 from Independent(s) so that only Q2, Q4, and

 

Q13 remain.

 

Change Method to Enter 7 Click OK

 

Answer:

 

You need to present the ANOVA table and coefficients table. a. How and why does this model differ from the model based on stepwise regression?

 

Answer:

 

b. Which model is better?

 

Answer: INTERPRETATION

 

1. How does stated importance affect the number of times one attends movies?

 

Answer: 2. How does spending money on snacks affect the number of times one attends movies?

 

Answer: 3. How does student classification affect the number of times one attends movies?

 

Answer: 4. If a sophomore thought that going to movies was somewhat important and typically spent $12 on

 

snacks, how many times per month would he or she attend movies based on this model?

 

Answer: using the following formula to calculate Y (i.e., Q3). The final answer should be 4.79.

 

Y = a + b1X1 + b2X2 + b3X3 + . . . bnXn 8 5. Do any of the variables, according to the results, appear to have an effect on the number of times

 

one attends movies, or does it seem that other factors not covered in this survey are driving movie

 

attendance?

 

Answer: SPSS exercise 2. (40 points).

 

EXERCISE #2: Factor Analysis

 

This exercise used Factor Analysis to explore how survey respondents consider various aspects of a

 

theater visit.

 

1. Go to the Website for the text and download the Movie database.

 

2. Open the database in SPSS and view the variables under Variable View. Notice that question 5 has 9

 

importance rating items.

 

3. Go to analyze/descriptive statistics/descriptives and move Q5a to Q5i to the Variable(s) box and

 

click OK. a. Which item is the most important?

 

Answer:

 

b. Which item is the least important?

 

Answer:

 

Multivariate techniques require that every variable have a legitimate value. If a respondent did not

 

answer every question, then the analyst must either ignore the observation entirely or impute

 

estimates for the missing values. The default for statistical software is to ignore those observations

 

automatically. We will not get involved with imputation for this exercise. 9 a. What will the sample size be for later multivariate techniques?

 

Answer:

 

b. Is this sample size large enough for factor analysis?

 

Answer:

 

c. What would some possible problems be if the sample size were not large enough?

 

Answer:

 

d. It is a good idea to check that the minimum and maximum values for each variable are

 

within the proper range. A value that is out of range indicates either a data input error or a

 

user-defined missing value such as ?Refused? or ?Don?t Know.? Data input errors should be

 

corrected or deleted. User-defined missing values should be declared in SPSS. e. Are all the variables within the proper range?

 

Answer: 4. Go to analyze/descriptive statistics/descriptives and move Q5a and Q5i to the Variable(s) box and

 

click OK. Examine the resulting correlations matrix

 

a. Other than the 1's down the main diagonal of the matrix, what is the highest correlation in

 

absolute value?

 

Answer:

 

b. Does any variable ?just not fit? with the others?

 

Answer:

 

c. Does multicollinearity appear to exist among some of the items?

 

Answer: 10 5. Go to analyze/dimension reduction/factor.

 

Move Q5a through Q5i to the Variables box.

 

Click the Rotation button, place a check in front of ?Varimax,? and click Continue.

 

Click the Options button.

 

Place a check in front of ?Sorted by size.?

 

Place a check in front of ?Suppress absolute values less than? and set the value after it to .25.

 

Click Continue.

 

Click OK.

 

SPSS produces a lot of output Factor Analysis. It is possible to create much more output than we have

 

generated here by setting various subcommands and options.

 

a. How many factors did SPSS create?

 

Answer:

 

b. Why did it stop at that number?

 

Answer: c. How could you change the defaults to create a different number of factors?

 

Answer

 

d. Go to the output entitled Total Variance Explained. How much variance was explained in

 

this Factor Analysis?

 

Answer (provided):

 

Total Variance Explained

 

Component Initial Eigenvalues

 

Total % of Variance Cumulative % Extraction Sums of Squared Loadings

 

Total % of Variance Cumulative % Rotation Sums of Squared Loadings

 

Total % of Variance Cumulative % 11 1 4.103 45.590 45.590 4.103 45.590 45.590 3.409 37.878 37.878 2 1.222 13.581 59.171 1.222 13.581 59.171 1.891 21.015 58.893 3 1.002 11.132 70.304 1.002 11.132 70.304 1.027 11.411 70.304 4 .666 7.400 77.704 5 .629 6.987 84.691 6 .471 5.238 89.929 7 .400 4.449 94.377 8 .320 3.560 97.937 9 .186 2.063 100.000 Extraction Method: Principal Component Analysis. Factor 1 explains 45.6% of the variance, Factor 2 explains an additional 13.6%, and Factor 3 explains an

 

additional 11.1%, for a total of 70.3%. e. Go to the output entitled Rotated Component Matrix. Why are some of the elements in this

 

matrix blank?

 

Answer (provided):

 

We instructed SPSS to suppress values (loadings) smaller than .25. Rotated Component Matrixa

 

Component

 

1

 

(Q5f)Movie Items: How important in 2 3 .864 your selection of a movie theatre is:

 

Size of screen(s)

 

(Q5g)Movie Items: How important in .861 your selection of a movie theatre is:

 

Quality of sound system

 

(Q5e)Movie Items: How important in .829 your selection of a movie theatre is:

 

Auditorium type seating

 

(Q5d)Movie Items: How important in .741 .350 your selection of a movie theatre is:

 

Comfortable chairs 12 (Q5h)Movie Items: How important in .651 your selection of a movie theatre is:

 

Number of screens available

 

(Q5c)Movie Items: How important in .829 your selection of a movie theatre is:

 

Plentiful restrooms

 

(Q5b)Movie Items: How important in .787 your selection of a movie theatre is:

 

Soft drinks and food

 

(Q5i)Movie Items: How important in .442 .610 your selection of a movie theatre is:

 

Clean restrooms

 

(Q5a)Movie Items: How important in .954 your selection of a movie theatre is:

 

video arcade at the Movie Theatre

 

Extraction Method: Principal Component Analysis.

 

Rotation Method: Varimax with Kaiser Normalization.

 

a. Rotation converged in 4 iterations. f. Do the components or factors make sense?

 

Answer (provided):

 

Yes.

 

g. Can you identify a common theme for each component or factor?

 

Answer (provided):

 

This appears to be a redundant question with ?f?. Factor 1 considers creature comforts that are found

 

?inside? the auditorium. Factor 2 deals with the food and rest room facilities found in the ?lobby.? Factor

 

3 is a single element that considers the availability of a video arcade ?outside? the theater proper. INTERPRETATION

 

1. Is this a good factor solution? Why do you say that? 13 Answer (provided):

 

It seems to be. It extracts a suitable percentage of the unique variance in the original items (70.3%) and

 

considers all the available variables and puts them into one of three interpretable factors.

 

2. How might you create a better factor solution?

 

Answer: 3. What understanding has this analysis helped you to gain about how movie-goers perceive their

 

movie-going experience?

 

Answer (provided):

 

Movie-goers appear to ?bracket? their perceptions of the movie-going experience according to physical

 

spaces, i.e., factor 1 (creature comforts inside the movie room, the restroom/vending area, and the

 

arcade), followed by factor 2 (the food and rest room facilities found in the ?lobby.?). The least they

 

depend is factor 3 (the availability of a video arcade ?outside? the theater proper). 4. What recommendations would you give a manager of a movie house based on this analysis?

 

Answer: 14 Group Evaluation Form:

 

For each group project, please fill in the group peer evaluation form under doc sharing.

 

This form enables you to assign individual contribution of each of your group members

 

and express your concerns freely. Please send it under Group project 1 basket. For group

 

project 2, also please fill in the same evaluation form and send it to Group project 2 basket.

 

If there is an unanimous agreement on the misbehavior of an individual member such as

 

failure to accomplish his/her part or lack of cooperation, I will deduct points from this

 

individual student.

 

The peer evaluation form is not mandatory. If you are satisfied with your group members,

 

you don't need to submit it and I will consider that your group members contribute

 

equally. 15

 


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