Listed below are the numbers of hurricanes that occurred in each year in a certain region. The data are listed in order by year. Find therange, variance, and standard deviation for the given sample data. Include appropriate units in the results. What important feature of the data is not revealed by any of the measures ofvariation?

2 20 6 4 16 9 20

13 13 9 6 16 3 20

The range of the sample data is ?

years squared .

years2.

hurricanes.

hurricanes.

years.

years.

hurricanes squared .

hurricanes2.

(Round to one decimal place asneeded.)

The standard deviation of the sample data is

nothing

years squared .

years2.

hurricanes.

hurricanes.

years.

years.

hurricanes squared .

hurricanes2.

(Round to one decimal place asneeded.)

The variance of the sample data is

nothing

years squared .

years2.

hurricanes squared .

hurricanes2.

years.

years.

hurricanes.

hurricanes.

(Round to one decimal place asneeded.)

What important feature of the data is not revealed through the different measures ofvariation?

A.

The measures of variation reveal no information about the scale of the data.

B.

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

C.

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

D.

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

Click to select your answer(s).