Question

a random sample of 30 college students is selected. each student is asked how much time they spent on homework during the previous week the following times (in hours) are obtained. 17, 19, 20, 25, 20, 19, 21, 15, 16, 23, 24, 15, 25, 21, 16, 19, 20, 18, 21, 20, 24, 25, 16, 15, 18, 19, 20, 21, 15, 25 complete the frequency distribution for the data. hours studied frequency 15 16 17 18 19 20 21 22 23 24 25

Explanation:

Step1: Count the frequency of 15

Count the number of times 15 appears in the data set.

Step2: Count the frequency of 16

Count the number of times 16 appears in the data set.

Step3: Count the frequency of 17

Count the number of times 17 appears in the data set.

Step4: Count the frequency of 18

Count the number of times 18 appears in the data set.

Step5: Count the frequency of 19

Count the number of times 19 appears in the data set.

Step6: Count the frequency of 20

Count the number of times 20 appears in the data set.

Step7: Count the frequency of 21

Count the number of times 21 appears in the data set.

Step8: Count the frequency of 22

Count the number of times 22 appears in the data set.

Step9: Count the frequency of 23

Count the number of times 23 appears in the data set.

Step10: Count the frequency of 24

Count the number of times 24 appears in the data set.

Step11: Count the frequency of 25

Count the number of times 25 appears in the data set.

After counting:

• For 15: 5 times
• For 16: 3 times
• For 17: 1 time
• For 18: 2 times
• For 19: 4 times
• For 20: 5 times
• For 21: 4 times
• For 22: 0 times
• For 23: 1 time
• For 24: 2 times
• For 25: 3 times

Answer:

Hours Studied	Frequency
16	3
17	1
18	2
19	4
20	5
21	4
22	0
23	1
24	2
25	3