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(Steps Shown) Use this chart that shows a number of hours worked per week and the number of credit hours enrolled in for 50 students with part time jobs. Student

Question: Use this chart that shows a number of hours worked per week and the number of credit hours enrolled in for 50 students with part time jobs.

Student # Hours Worked Credit Hour Student # Hours Worked Credit Hours
1 20 14 26 38 9
2 28 13 27 35 12
3 13 16 28 10 18
4 20 16 29 12 21
5 20 18 30 10 18
6 20 15 31 20 12
7 15 6 32 20 17
8 38 13 33 20 12
9 24 13 34 40 12
10 20 17 35 20 18
11 22 13 36 28 13
12 12 9 37 12 9
13 28 13 38 24 18
14 3 12 39 24 18
15 8 6 40 6 18
16 38 13 41 10 17
17 20 18 42 40 13
18 20 15 43 4 13
19 20 21 44 18 16
20 38 13 45 25 13
21 36 12 46 20 17
22 10 9 47 32 17
23 28 13 48 12 18
24 25 16 49 18 12
25 10 13 50 15 15

Use the hours worked to divide the students into 4 groups according to the number of hours worked (1-10 hours, 22-20 hours, 21-30 hours, 31-40 hours). Decide how many to take from each group to take a stratified sample of 10 and find the mean hours worked.

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Solution: The downloadable solution consists of 4 pages
Deliverable: Word Document


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