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[answered] 1) A large insurance company hired you as a consultant and


Kindly assist in answering the attached statistics question.?


1) A large insurance company hired you as a consultant and your job is to find out why the company morale is so

 

low in a few of their departments. The first thing that you do is to send out a leadership effectiveness

 

questionnaire to 11 managers and 14 staff members. The survey is in a Lickert-type of format, from 1 to 20, with

 

1 meaning really bad leadership and 20 meaning the best leadership in the world! From the data below, can you

 

say that there is a statistically significant difference in the leadership attitudes between the management and

 

staff? Managers

 

19

 

8

 

7

 

11

 

6

 

10

 

10 Managers

 

12

 

15

 

19

 

7

 

13

 

12

 

14 Staff

 

9

 

7

 

14

 

6

 

8

 

12 Staff

 

7

 

9

 

7

 

9

 

8 a. What is the null hypothesis?

 

b. What is the alternative hypothesis?

 

c. What is the Independent Variable (IV)?

 

d. What is the Dependent Variable (DV)?

 

c. What is the test statistic?

 

d. What is the P-value?

 

e. Do we accept or reject the null hypothesis at the 5% level of significance? (Is it statistically significant at the

 

5% level? (alpha = .05)) 2) You decide that you want to look at the leadership attitudes between the mangers and the executives, so you

 

repeat the survey. From the data below, can you say that there is a statistically significant difference in the

 

leadership attitudes between the management and the executives? Managers Managers Executives Executives 12

 

15

 

19

 

7

 

13

 

12

 

14 19

 

8

 

7

 

11

 

6

 

10

 

10 12

 

10

 

14

 

4

 

9

 

11

 

9 9

 

9

 

9

 

7 a. What is the null hypothesis?

 

b. What is the alternative hypothesis?

 

c. What is the Independent Variable (IV)?

 

d. What is the Dependent Variable (DV)?

 

c. What is the test statistic?

 

d. What is the P-value?

 

e. Do we accept or reject the null hypothesis at the 5% level of significance? (Is it statistically significant at the

 

5% level? (alpha = .05)) 3) Which type of statistical analysis would you use to compare leadership attitudes between the staff,

 

managers and executives all at the same time (in one statistical analysis instead of two t tests)?

 


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