Chapter 7 Tables 311
- The data in the Marriage workbook
contain information on the heights of
newly married couples. The study is
designed to test whether people tend
to choose marriage partners similar in
height to themselves.
a. State the null and alternative hypoth-
eses of this study.
b. Open the Marriage workbook from
the Chapter07 folder and save it as
Marriage Analysis.
c. Analyze the data in the marriage
table. What test statistics are appro-
priate to use with these data? Do you
accept or reject the null hypothesis?
d. Save your changes to the workbook,
write a report summarizing your re-
sults, and print the relevant statistics
supporting your conclusion.
- The Gender Poll workbook contains
polling data on how males and females
respond to various social and political
issues. Each worksheet in the workbook
contains a table showing the responses
to a particular question.
a. Open the Gender Poll workbook from
the Chapter07 folder and save it as
Gender Poll Statistics.
b. On each worksheet, calculate the table
statistics for the opinion poll table.
c. For which questions is the gender of
the respondent associated with the
outcome?
d. Save your changes to the workbook
and write a report summarizing your
results, speculating on the types of
issues that men and women might
agree or disagree on.
- The Race Poll workbook contains addi-
tional polling data on how different races
respond to social and political questions.
a. Open the Race Poll workbook from
the Chapter07 folder and save it as
Race Poll Statistics.
b. On each worksheet, calculate the
table statistics for the opinion poll
table. Resolve any problem with
sparse data by combining the Black
and Other categories.
c. For which questions is the race of
the respondent associated with the
outcome?
d. Save your changes to the workbook
and write a report summarizing your
results, and speculating on the types
of questions that blacks and mem-
bers of other races might agree or
disagree on.
- The Home Sales workbook contains
historic data on home prices in Albu-
querque (see Chapter 4 for a discussion
of this workbook.)
a. Open the Home Sales workbook from
the Chapter07 folder and save it as
Home Sales Statistics.
b. Analyze the data to determine
whether there is evidence that houses
in the NE sector are more likely to
have offers pending than houses out-
side the NE sector.
c. Save your changes to the workbook
and write a report summarizing your
conclusions.
- The Montana workbook contains poll-
ing data from a survey in 1992 about
the fi nancial conditions in Montana.
You’ve been asked to analyze what
factors infl uence political affi liation in
the state.
a. Open the Montana workbook from
the Chapter07 folder and save it as
Montana Political Statistics.
b. Create a PivotTable of Political Party
versus Region (of the state). Remove
any blank categories from the table.
Is there evidence to suggest that dif-
ferent regions have different political
leanings?