1. Statistics
2. Descriptive Statistics
3. Summary Tables
4. 101577

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Question 1 Multiple Choice
In a stem and leaf plot of numbers with five digits, the stem has two digits. In the number, 42096, the leaf is:

420
209
096
426

Question 2 Multiple Choice
An advantage that a histogram has over a pie chart is that:

When two categories are close in size, the difference in the size of the categories is easier to see with the histogram.
The histogram is more attractive
The histogram is easier to construct than the pie chart
The histogram is usually used more often to depict budgets

Question 3 Multiple Choice
Which of the following graphical depictions of data represents cumulative frequencies?

histogram
frequency polygon
ogive
pie chart

Question 4 Multiple Choice
Which of the following is most useful when the decision maker wants to see running totals?

histogram
ogive
frequency polygon
Pareto chart

Question 5 Multiple Choice
Which of the following is mainly used to explore the relationship between two numerical variables?

histogram
ogive
stem and leaf plot
scatter plot

Question 6 Multiple Choice
Data that have been organized into a frequency distribution are called:

grouped data
distributed data
ungrouped data
frequented data

Question 7 Multiple Choice
Which of the following graphical depictions of data is a type of vertical bar chart?

histogram
frequency polygon
ogive
stem and leaf plot

Question 8 Multiple Choice
In a frequency distribution, which of the following is a running total of frequencies through the classes?

relative frequency
cumulative frequency
class midpoint
frequency

Question 9 Multiple Choice
Suppose the table below contains the four largest companies in a given industry and each company's respective annual sales (in $millions). If a pie chart were constructed to depict the sales of these companies, how many degrees would be in the "slice" of the pie for company C?

90
44
56
61

Question 10 Multiple Choice
Consider the following frequency distribution:

What is the relative frequency of the 10-under 15 class?

.307
.545
.182
.239

Question 11 Multiple Choice
Which of the following is sometimes more difficult to interpret than other graphical depictions because the relative sizes of angles are hard to judge?

pie chart
triangle chart
histogram
ogive

Question 12 Multiple Choice
Which of the following is named after an Italian economist?

Pareto chart
Roman chart
pizza pie chart
Ogive graph

Question 13 Multiple Choice
It is recommended that the number of classes in a frequency distribution be between:

6 and 20
10 and 20
5 and 15
5 and 20

Question 14 Multiple Choice
Consider the following frequency distribution:

What is the relative frequency for the class 20-under 30?

.30
12
.425
.40

Question 15 Multiple Choice
In a frequency distribution, which of the following is sometimes referred to as the class mark?

relative frequency
cumulative frequency
class midpoint
frequency

See attached file for full problem description.