question #5 This data is from a sample . Calculate the mean, standard deviation, and variance. x 18.7 18.6 33.4 23.9 36.7 36.8 27.5 46.6 30.5 Please show the following answers to 2 decimal places....

question #5

This data is from asample. Calculate the mean, standard deviation, and variance.

Please show the following answers to 2 decimal places.

 Sample Mean =


Sample Standard Deviation =


Sample Variance =


Ooops - now you discover that the data was actually from apopulation! So now you must give the population standard deviation.


Population Standard Deviation =