This topic contains a solution. Click here to go to the answer

Author Question: The following frequency distribution shows the time (in minutes) that a sample of students uses the ... (Read 26 times)

dhsndn

  • Full Member
  • ***
  • Posts: 161

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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by dhsndn on Mar 25, 2023

ryanb

  • Full Member
  • ***
  • Posts: 164
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.
Answer Preview
Only 29% of students answer this correctly




dhsndn

  • Member
  • Posts: 161
Reply 2 on: Mar 25, 2023
Gracias!


connor417

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

For a complete list of videos, visit our video library