Question
Calculate the sample variance and sample standard deviation for the following frequency distribution of heights in...
Calculate the sample variance and sample standard deviation for the following frequency distribution of heights in centimeters for a sample of 8-year-old boys. If necessary, round to one more decimal place than the largest number of decimal places given in the data.
| Class | Frequency |
|---|---|
| 116.1 - 120.0 | 35 |
| 120.1 - 124.0 | 33 |
| 124.1 - 128.0 | 39 |
| 128.1 - 132.0 | 48 |
| 132.1 - 136.0 | 14 |
What is the sample variance and sample standard deviation?
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