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Exam 2: The Organization and Graphic Presentation of Data

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Question 31

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About 13 percent of survey respondents in a sample reported that they do not attend religious services regularly.About what proportion of respondents did not attend religious services regularly?

A) 13
B) .13
C) 87
D) .87

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

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Question 32

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Considering the information in the table below,what proportion of respondents were first married at the ages of 24 and 25?

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Question 33

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Construct either a bar chart or a histogram,depending on which is more appropriate in this case,for displaying the data presented in the table below.

A survey of 3,055 respondents asked whether or not anyone had been widowed.Eighty persons responded "yes." Which of the following graphic devices would best display this information?

A rate is usually expressed as a

The following graph depicts the number of respondents by racial group,where 1 = white,2 = black,and 3 = other.Explain why this choice of graphic is or is not appropriate for these data.

According to the table below,how many people do not disagree in some capacity or another?

Fill in the empty cells in the following table.

Which graphic device would be most appropriate to display information about "The sex ratio at birth - that is,the ratio to the number of males to the number of females - is 1.05 in the United States"?

Explain how cumulative frequency distributions are obtained.What do they allow us to do?

Imagine one of your colleagues is constructing a histogram to graph results of the survey question "Which state do you live in?" What is the concern with your colleague's approach?

A graph showing the differences in frequencies or percentages among the categories of an interval-ratio variable where the categories are displayed as contiguous bars with width proportional to the width of the category and height proportional to the frequency or percentage of that category is called a

Which graphic device would be most appropriate to display information about "Young adults in South Korea generally have more years of schooling than young adults in the United States"?

Fill in the empty cells in the following table.

In a sample of 500 respondents,men account for 20% of all observations in the sample.What is the total number of females in the sample?

Fill in the empty cells in the following table.

When constructing a rate,the denominator refers to the

A relative frequency obtained by dividing the frequency in each category by the total number of cases and multiplying by 100 is a

Which of the following is not a rate?

The sum of all proportions in a frequency distribution should sum to