According to a 2022 article from the Sleep Foundation, sleep deprivation of workers in the United States results in productivity losses of more than $136 billion per year. The following data show the number of hours of sleep attained during a recent night for a sample of 20 workers. Click on the datafile logo to reference the data. The datafile logo. 6 5 10 5 6 9 9 5 9 5 8 7 8 6 9 8 9 6 10 8 a. What is the mean number of hours of sleep for this sample (to 1 decimal)? b. What is the variance? Standard deviation (to 2 decimals)? Variance Standard deviation
According to a 2022 article from the Sleep Foundation, sleep deprivation of workers in the United States results in productivity losses of more than $136 billion per year. The following data show the number of hours of sleep attained during a recent night for a sample of 20 workers. Click on the datafile logo to reference the data. The datafile logo. 6 5 10 5 6 9 9 5 9 5 8 7 8 6 9 8 9 6 10 8 a. What is the mean number of hours of sleep for this sample (to 1 decimal)? b. What is the variance? Standard deviation (to 2 decimals)? Variance Standard deviation
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 4BGP
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According to a 2022 article from the Sleep Foundation, sleep deprivation of workers in the United States results in productivity losses of more than $136 billion per year. The following data show the number of hours of sleep attained during a recent night for a sample of 20 workers.
Click on the datafile logo to reference the data.
The datafile logo.
6 | 5 | 10 | 5 | 6 | 9 | 9 | 5 | 9 | 5 |
8 | 7 | 8 | 6 | 9 | 8 | 9 | 6 | 10 | 8 |
a. What is the
b. What is the variance? Standard deviation (to 2 decimals)?
Variance | |
Standard deviation |
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