Question

A survey was conducted two years ago asking college students their top motivations for using a credit card. The percentages are shown in the table to the right. Also shown in the table is the observed frequency for these motivations from a current random sample of college students who use a credit card. Complete parts a through c below. Response Old Survey % New Survey (frequency) Rewards 27% 110 Low Rates 24% 97 Cash Back 21% 108 Discounts 7% 48 Others 21% 62 Calculate Test Statistic, Critical Value, and P-Value |

Answer #1

Research conducted a few years ago showed that 38% of college
students had traveled outside the US. A random sample of 140
international relations majors found that 68 have traveled abroad.
Is there sufficient evidence, at the 0.05 significance level, to
suggest that travel for international relations majors differs from
that for the general population of college students? Is this test
one-tailed or two-tailed? Why? State the null (H0) and alternative
hypothesis (H1)What is/are the critical value(s)? Calculate the
test...

A report about how American college students manage their
finances includes data from a survey of college students. Each
person in a representative sample of 793 college students was asked
if they had one or more credit cards and if so, whether they paid
their balance in full each month. There were 500 who paid in full
each month. For this sample of 500 students, the sample mean credit
card balance was reported to be $825. The sample standard deviation...

A survey of 13,234 students in a country who enrolled in private
career colleges was conducted to understand student participation
in the private postsecondary educational system. In one part of the
survey, students were asked about their field of study and about
when they entered college. Here are the results.
Field of
Study
Number of
Students
Time of Entry
Right After High School
Later
Trades
992
34%
66%
Design
564
47%
53%
Health
5035
40%
60%
Media/IT
3118
31%
69%...

A random sample of students of a university were classified
according to the college in which they were enrolled and also
according to whether they graduated from a high school in the state
or out the state. The results are shown in the contingency table.
At 0.05 level of significance, test if there is an association
between college and high school in/out of state.
Engineering
Arts and Science
Business
Other
Total
In State
16
14
13
13
56
Out of...

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