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[answered] A random sample of 100 students was chosen from Eastern Mas


A random sample of 100 students was chosen from?Eastern?Mass 230?STAT Class.? The frequency distribution below shows the distribution for study time each week (in hours).? (Show all work. justify the answer, without supporting work, will receive no credit)

study time (in hours)??????? Frequency??????? Relative Frequency

0.0-4.9?????????????????????????????????? 5

5.0-9.9????????????????????????????????? 13

10.0-14.9??????????????????????????????????????????????????????????????? 0.22

15.0-19.9?????????????????????????????? 42

20.0-24.9

total????????????????????????????????????? 100

(a) Complete the frequency table with frequency and relative frequency. Express the relative frequency to three decimal places.

(b) What percentage of the study time was at least 15 hours?

(c) Does this distribution have positive skew or negative skew? Why or Why not?



A random sample of 100 students was chosen from Eastern Mass 230 STAT Class. The

 

frequency distribution below shows the distribution for study time each week (in hours). (Show

 

all work. justify the...

 


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