16. Monthly
commissions of first-year insurance brokers are $1,270, $1,310, $1,680, $1,380,
$1,410, $1,570, $1,180 and $1,420. These figures are referred to as:
A. histogram.
B. raw data.
C. frequency distribution.
D. frequency polygon.
17. A
small sample of computer operators shows monthly incomes of $1,950, $1,775,
$2,060, $1,840, $1,795, $1,890, $1,925 and $1,810. What are these ungrouped
numbers called?
A. Histogram
B. Class limits
C. Class frequencies
D. Raw data
18. When
data is collected using a quantitative, ratio variable, what is true about a
frequency distribution that summarizes the data?
A. Upper and lower class limits must be calculated.
B. A pie chart can be used to summarize the data.
C. Number of classes is equal to the number of variable’s values.
D. The “5 to the k rule” can be applied.
19. When
data is collected using a qualitative, nominal variable, what is true about a
frequency distribution that summarizes the data?
A. Upper and lower class limits must be calculated.
B. A pie chart can be used to summarize the data.
C. Number of classes is equal to the number of variable’s values plus 2.
D. The “5 to the k rule” can be applied.
20. When
data is collected using a qualitative, nominal variable, i.e., male or female,
what is true about a frequency distribution that summarizes the data?
A. Upper and lower class limits must be calculated.
B. Class midpoints can be computed.
C. Number of classes corresponds to the number of a variable’s values.
D. The “2 to the k rule” can be applied.
21. A
student was interested in the cigarette smoking habits of college students and
collected data from an unbiased random sample of students. The data is
summarized in the following table:
.png”>
Why is the table NOT a frequency distribution?
A. The number of males does not equal the sum of males that smoke and do
not smoke.
B. The classes are not mutually exclusive.
C. There are too many classes.
D. Class limits cannot be computed.
22. A
student was interested in the cigarette smoking habits of college students and
collected data from an unbiased random sample of students. The data is
summarized in the following table:
.png”>
What type of chart best represents the frequency table?
A. Bar Chart
B. Pie Chart
C. Scatter plot
D. Frequency Polygon
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