Calculate the range, population variance, and population standard dev espectively, for the following data:

Given the data: 1, 4, 3, 5, 4, Its Variance value is 2 3 4

The semi-averages of the below given data are: Year Rainfall 1999 21 2000 11 2001 14 2002 16 2003 18

Given the following dataset of the price of a gallon of gas: $2.85; $3.06; and $2.99. Calculate the sample variance. The sample variance, rounded off as instructed, is:

Find the variance of the following: 12.0, 9.5, 10.5, 18.4, 33.1, 41.7, 50.6, 29.9, 23.0.

The following frequency table summarizes a set of data. What is the five-number summary?   Value Frequency 2 3 3 2 5 1 6 3 7 1 8 2 11 3

Find the variance and standard deviation of the data below: Classes 1-10 11 - 20 21-30 31-40 41 - 50 51 - 60 61 - 70 71-80 81-90 Frequency 3 6 5 3 10 7 6 5 5

The formula in which   is divided by  one less than the number of observations in a sample is called a. sample variance b. mean variance c. population variance d. co-efficient of variation

Given the following data:     Data 1 Data 2    1    1    4    5    5    5     6    5    8    8 Which of the following is best in comparing the variation of the two data sets?   a range   b interquartile range   c standard deviation   d variance

X is a point estimator of: Select one: a. Population mean b. Sample mean c. Sample variance d. Population variance