This data is from a sample. Calculate the mean, standard deviation, and variance. Suggestion: use technology. Round answers to two decimal places.
Mean =
Standard Deviation =
Variance =
Ooops - now you discover that the data was actually from a population! So now you must give the population standard deviation.
Population Standard Deviation =
| x |
|---|
| 31.2 |
| 30.1 |
| 45.9 |
| 37.7 |
| 47.7 |
| 32.2 |
| 46.6 |
| 26.7 |
| 18.2 |
Mean =
Standard Deviation =
Variance =
Ooops - now you discover that the data was actually from a population! So now you must give the population standard deviation.
Population Standard Deviation =