Listed below are the numbers of manatee deaths caused each year by collisions with watercraft. The data are listed in order for each year of the past decade. Find the range, variance, and standard deviation of the data set. What important feature of the data is not revealed through the different measures of variation?

70 73 98 94 83 94 96 86 99 96

The range of the sample data is ____

deaths.(Round to one decimal place as needed.)

Part 2The variance of the sample data is _______deaths^2.

Part 3The standard deviation of the sample data is _______________? deaths.

Part 4 What important feature of the data is not revealed through the different measures of variation?

A.

The measures of variation do not reveal the difference between the largest number of manatee deaths and the smallest number of manatee deaths in the data.

B.

The measures of variation reveal nothing about how the numbers of manatee deaths are spread.

C.

The measures of variation reveal nothing about the pattern over time.