1.A student earned grades of B, B, A, C, and D. Those courses had these corresponding numbers of credit hours: 3, 5, 2, 5, 3. The grading system assigns quality points to letter grades as follows:A=4, B=3, C=2, D=1,andF=0.Compute the grade point average (GPA) and round the result to two decimal places.

Select one:

A.9.00

B.2.50

C.1.50

D.3.46

2.Find the standard deviation for the given sample data. Round your answer to one more decimalplace than the original data.

22.6 16.1 36.1 36.0 23.8 20.3

Select one:

A.36.1

B.3999.0

C.4347.7

D.8.35

2.Find the coefficient of variation for each of the two sets of data, then compare the variation. Round results to one decimal place. Listed below are the systolic blood pressures (in mm Hg) for a sample of men aged 20-29 and for a sample of men aged 60-69.

MEN AGE: 20-29: 116 123 132 118 131 123

MEN ADE: 60-69: 130 150 142 125 164 139

Select one:

A.Men aged 20-29: 5.5% Men aged 60-69: 10.3% There is substantially more variation in blood pressures of the men aged 60-69.

B.Men aged 20-29: 5.0% Men aged 60-69: 8.0% There is substantially more variation in blood pressures of the men aged 60-69.

C.Men aged 20-29: 8.7% Men aged 60-69: 4.5% There is more variation in blood pressures of the men aged 20-29.

D.Men aged 20-29: 5.3% Men aged 60-69: 9.9 % There is substantially more variation in blood pressures of the men aged 60-69.

3.Find the variance for the given sample data. Round your answer to one more decimal place than the original data. 7 7 2 5 1

Select one:

A.

6.2

B.11.8

C.7.8

D.7.7

4.Which measure of central tendency is not resistant to extreme values in a numeric data set?

Select one:

A.Mean

B.Mode

C.Parameters

D.Median

5.The ________ of a variable is computed by determining the sum of all the values of the variable in the data set and dividing this sum by the number of observations in the data set.

Select one:

A.Mode

B.Median

C.Arithmetic mean

D.Geometric mean

6.The heights of a group of professional basketball players are summarized in the frequency distribution below. Find the mean height. Round your answer to one decimal place.

Select one:

A.13.5 in.

B.74.6 in.

C.76.3 in.

D.78.1 in.7.Listed below are the lengths (in inches) of each snake in theClarmontZoo's reptile house.

9 15 69 13 16 101 46 10 14 17 102

Select one:

A.9 in.,15 in., 69 in., 13 in., 16 in., 101 in., 46 in., 10 in., 14 in., 17 in., 102 in.

B.11 in.

C.no mode

D.15.7 in.

8.Last year, nine employees of an electronics company retired. Their ages (in years) at retirement are listed below. Find the mode(s) for the given sample data.

516162575067685853

Select one:

A.51yr, 61yr, 62yr, 57yr, 50yr, 67yr, 68yr, 58yr, 53yr

B.58.6yr

C.58yr

D.no mode

9.The normal monthly precipitation (in inches) for August is listed for 20 different U.S. cities. Find the mean monthly precipitation.

3.5 1.62.4 3.7 4.13.9 1.0 3.6 4.2 3.43.7 2.2 1.5 4.2 3.42.7 0.4 3.7 2.0 3.6

Select one:

A.2.94 in.

B.3.27 in.

C.2.80 in.

D.3.09 in.

10.The frequency distribution below summarizes employee years of service for Alpha Corporation. Determine the width of each class.

two way table( (Years of service Frequency)(1-5 5)(6-10 20)(11-15 25)(16-20 10)(21-25 5)(26-30 3) )

Select one:

A.4

B.10

C.6

D.5