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31. If
there are 30 values in a data set, how many classes should be created for a
frequency histogram?

A. 4

B. 5

C. 6

D. 7

E. 8

32. A
CFO is looking at how much of a company's resources are spent on computing. He
samples companies in the pharmaceutical industry and developed the following
stem-and-leaf graph.

What is the approximate shape of the distribution of the data?

A. Normal

B. Skewed to the right

C. Skewed to the left

D. Bimodal

E. Uniform

33. A
CFO is looking at how much of a company's resources are spent on computing. He
samples companies in the pharmaceutical industry and developed the following
stem-and-leaf graph.

What is the smallest percent spent on R&D?

A. 5.9

B. 5.6

C. 5.2

D. 5.02

E. 50.2

34. A
CFO is looking at how much of a company's resources are spent on computing. He
samples companies in the pharmaceutical industry and developed the following
stem-and-leaf graph.

If a frequency histogram were to be created using these data, how many classes
would you create?

A. 4

B. 5

C. 6

D. 7

E. 8

35. A
CFO is looking at how much of a company's resources are spent on computing. He
samples companies in the pharmaceutical industry and developed the following
stem-and-leaf graph.

What would be the class length that would be used in creating a frequency
histogram?

A. 1.4

B. 8.3

C. 1.2

D. 1.7

E. 0.9

36. A
CFO is looking at how much of a company's resources are spent on computing. He
samples companies in the pharmaceutical industry and developed the following
stem-and-leaf graph.

What would be the first class interval for the frequency histogram?

A. 5.2 - 6.5

B. 5.2 - 6.0

C. 5.0 - 6.0

D. 5.2 - 6.6

E. 5.2 - 6.4

37. The
US local airport keeps track of the percentage of flights arriving within 15
minutes of their scheduled arrivals. The stem-and-leaf plot of the data for one
year is below:

How many flights were used in this plot?

A. 7

B. 9

C. 10

D. 11

E. 12

38. The
US local airport keeps track of the percentage of flights arriving within 15
minutes of their scheduled arrivals. The stem-and-leaf plot of the data for one
year is below:

In developing a histogram of these data, how many classes would be used?

A. 4

B. 5

C. 6

D. 7

E. 8

39. The
US local airport keeps track of the percentage of flights arriving within 15
minutes of their scheduled arrivals. The stem-and-leaf plot of the data for one
year is below:

What would be the class length for creating the frequency histogram?

A. 1.4

B. 0.8

C. 2.7

D. 1.7

E. 2.3

40. A
company collected the ages from a random sample of its middle managers with the
resulting frequency distribution shown below:

What would be the approximate shape of the relative frequency histogram?

A. Symmetrical

B. Uniform

C. Multiple peak

D. Skewed to the left

E. Skewed to the right

Pending

Other
/
Other
26 Feb 2018

Due Date: 27 Feb 2018
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