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Exam 2: Frequency Distributions and Graphs

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Question 31

Multiple Choice

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What are the boundaries of the class 11-18?

A) 10.5 and 18.5
B) 7.5 and 21.5
C) 11 and 18
D) 7

E) A) and B)
F) None of the above

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Question 32

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For the class 5 - 18, the upper class limit is

A) 4.5
B) 5
C) 18
D) 18.5

E) A) and B)
F) A) and D)

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Question 33

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Which of the following could be a cumulative frequency graph?

The scores on a recent statistics exam are shown below. Construct a stem and leaf plot for the data. 98, 73, 64, 69, 86, 89, 77, 86, 91, 73

When two sets of data collected over specific periods of time are compared on the same graph using two lines, it is called a compound time series graph.

A pie graph is not useful in showing which of the following characteristics of a data set?

If a data set showing types of pizza ordered at a particular restaurant indicates 24 out of 72 orders were for pepperoni pizza, how many degrees would be needed to represent pepperoni pizza in a pie chart?

Which of the following does not need to be done when constructing a frequency distribution?

Graphs give a visual representation that may enable readers to analyze and interpret data more easily than simply looking at tables of numbers.

The following information shows the colors of cars preferred by customers. Draw a pie graph and indicate how many degrees that black represents in a pie graph?

Construct a Pareto chart for the following distribution:

An ogive is also called a cumulative frequency graph.

A Pareto chart does not have which of the following properties?

Which graph should be used to represent the frequencies with which certain courses are taken at Highlands Middle School?

What is the upper class boundary of the class 23-35 ?

When data are collected in original form, they are called __________.

Which of the following is a frequency polygon?

For the class 16.3-23.8, the width is 8.5.

A Pareto chart is useful for showing percentages of the total at different times.

When the range is large, and classes that are several units in width are needed, a __________ frequency distribution is used.