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Author Question: The following frequency distribution shows the time (in minutes) that a sample of students uses the ... (Read 67 times)

dhsndn

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on: Mar 25, 2023

The following frequency distribution shows the time (in minutes) that a sample of students uses the computer terminals per day.

 

Time

Frequency

20 - 39

2

40 - 59

4

60 - 79

6

80 - 99

4

100 - 119

2


 

a.Compute the mean.
b.Compute the variance.
c.Compute the standard deviation.
d.Compute the coefficient of variation.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by dhsndn on Mar 25, 2023

ryanb

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Reply #1 on: Mar 25, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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dhsndn

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Reply 2 on: Mar 25, 2023
Wow, this really help

ttt030911

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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