The following table is the frequency distribution for the amount 'screen time' (in hours) had each day by 50 employees at a large, multinational corporation. Screen time is loosely defined as time spent using a computer, tablet, gaming console, television, or smart phone. Screen Time Freq 0

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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#20).
The following table is the frequency distribution for the amount 'screen time' (in hours) had each day by 50
employees at a large, multinational corporation. Screen time is loosely defined as time spent using a
computer, tablet, gaming console, television, or smart phone.
Screen Time
Freq
0< <3
3 < x < 6
12
6 <x <9
8
9< x < 12
19
12<x < 15
Are these population or sample data? Sample
Use the table above to make the following calculations. Round solutions to three decimal places, if
necessary.
Mean =
Variance =
Standard Deviation =
Transcribed Image Text:The following table is the frequency distribution for the amount 'screen time' (in hours) had each day by 50 employees at a large, multinational corporation. Screen time is loosely defined as time spent using a computer, tablet, gaming console, television, or smart phone. Screen Time Freq 0< <3 3 < x < 6 12 6 <x <9 8 9< x < 12 19 12<x < 15 Are these population or sample data? Sample Use the table above to make the following calculations. Round solutions to three decimal places, if necessary. Mean = Variance = Standard Deviation =
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