Question
Time to review: The following table presents the time taken to review articles that were submitted for publication to a particular journal during a recent
Time to review:The following table presents the time taken to review articles that were submitted for publication to a particular journal during a recent year. A few articles took longer than
6
months to review; these are omitted from the table. Consider the data to be a population.
| Time (Months) | Number of Articles |
|---|---|
| 00.9 | 40 |
| 1.01.9 | 17 |
| 2.02.9 | 19 |
| 3.03.9 | 20 |
| 4.04.9 | 12 |
| 5.05.9 | 13 |
Send data to Excel
(a) Approximate the variance of the times. Round the answer to at least two decimal places.
| The variance is . (b) Approximate the standard deviation of the times. Round the answer to at least two decimal places. The standard deviation is . |
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Probability With Applications and R
Authors: Robert P. Dobrow
1st edition
1118241257, 1118241258, 978-1118241257
