1Find the standard deviation of the data summarized in the given frequency distribution. The heights of a group of professional basketball players are summarized in the frequency distribution below. Find the standard deviation. Round your answer to one decimal place.

Select one:

A.2.8 in.

B.3.2 in.

C.2.9 in.

D.3.3 in.

2Find the range for the given sample data.

Fred, a local mechanic, recorded the price of an oil and filter change at twelve competing service stations. The prices (in dollars) are shown below.

32.99 24.95 26.95 28.95

18.95 28.99 30.95 22.95

24.95 26.95 29.95 28.95

Select one:

A.$10.05

B.$14.04

C.$32.99

D.$12.00

3.Find the range, variance, and standard deviation for each of the two samples, then compare the two sets of results.

When investigating times required for drive-through service, the following results (in seconds) were obtained.

column chart(Restaurant A 120 67 89 97 124 68 72 96)

(Restaurant B 115 126 49 56 98 76 78 95) )

Select one:

A.Restaurant A: 57 sec; 493.98 sec2; 22.23 sec

Restaurant B: 77 sec; 727.98 sec2; 26.98 sec

There is more variation in the times for restaurant B.

B.Restaurant A: 75 sec; 493.98 sec2; 22.23 sec

Restaurant B: 70 sec; 727.98 sec2; 26.98 sec

There is more variation in the times for restaurant B.

C.Restaurant A: 57 sec; 493.98 sec2; 22.23 sec

Restaurant B: 56 sec; 727.98 sec2; 32.89 sec

There is more variation in the times for restaurant B.

D.Restaurant A: 57 sec; 793.98 sec2; 28.18 sec

Restaurant B: 77 sec; 727.98 sec2; 26.98 sec

There is more variation in the times for restaurant A.

4.Provide an appropriate response.

Which measure of central tendency may have more than one value in a numeric data set?

Select one:

A.Mean

B.Mode

C.Median

D.Midrange

5.Find the median for the given sample data.

The weights (in ounces) of 21 cookies are shown. Find the median weight.

0.80 1.28 0.80 1.62 0.80 0.74 1.321.28 1.53 0.96 0.80 1.32 1.15 0.660.47 1.32 0.74 1.15 1.72 0.80 0.56

Select one:

A.0.81 oz

B.1.28 oz

C.0.96 oz

D.0.66 oz

6.The frequency distribution below summarizes the home sale prices in the city of Summerhill for the month of June. Find the class boundaries for class 80.0-110.9.

two way table ( ( (Sale price in thousand $) Frequency)

(80.0 - 110.9 2)

(111.0 - 141.9 5)

(142.0 - 172.9 7)

(173.0 - 203.910)

(204.0 - 234.9 3)

(235.0 - 265.9 1) )

Select one:

A.80.00, 110.95

B.79.90, 110.95

C.79.95, 110.95

D.79.90, 111.0

7.Find the midrange for the given sample data.

1.4 2.6 3.2 1.1 1.2 3.5 2.0 3.4 2.3 2.9 2.0

Select one:

A.2.30

B.2.0

C.2.25

D.2.3

8.Find the standard deviation of the data summarized in the given frequency distribution.

A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the standard deviation.

two way table ( ( Salary (dollars) Employees )

(5,001-10,000 18 )

(10,001-15,000 11 )

(15,001-20,000 17 )

(20,001-25,000 20 )

(25,001-30,000 14 ) )

Select one:

A.$7,093.1

B.$7,873.3

C.$7,660.5

D.$7,447.8