Question
4. (15%) A survey of 400 college seniors resulted in the following cross tabulation regarding their undergraduate major and whether or not they plan to
4. (15%) A survey of 400 college seniors resulted in the following cross tabulation regarding their undergraduate major and whether or not they plan to go to graduate school.
Undergraduate Major
Graduate School
Business
Engineering
Others
Total
Yes
35
42
63
140
No
91
104
65
260
Total
126
146
128
400
a.
Are a majority of the seniors in the survey planning to attend graduate school?
b.
Which discipline constitutes the majority of the individuals in the survey?
c.
Compute row percentages and comment on the relationship between the students' undergraduate major and their intention of attending graduate school.
d.
Compute the column percentages and comment on the relationship between the students' intention of going to graduate school and their undergraduate major.
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5. (15%) A local electronics retailer recently conducted a study on purchasers of large screen televisions. The study recorded the type of television and the credit account balance of the customer at the time of purchase. They obtained the following results.
Construct a table of row percentages.Discuss the outcomes and what these numbers represent.
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6. (15%) Draw two bar charts that compare type of customer for males vs. females. Are gender and promotional customers related?Why or why not? You can use Excel or draw by hand at this time. Briefly discuss results.
Type of Customer
Gender
Regular
Male
Promotional
Female
Regular
Female
Regular
Female
Regular
Female
Regular
Female
Regular
Female
Promotional
Female
Regular
Male
Promotional
Female
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7.
Essay (10%): Descriptive statistics involves describing the key relationships between all sorts of data be it visual or numerical. Using examples outside of textbook briefly discuss the following. The length of the essay should be a minimum of at least one side of a page.
Bar charts, histograms, pie charts and trend lines. Discuss the importance of each of these and where they are best used. Provide only one real example of and where it is used.
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Finite Mathematics and Its Applications
Authors: Larry J. Goldstein, David I. Schneider, Martha J. Siegel, Steven Hair
12th edition
978-0134768588, 9780134437767, 134768582, 134437764, 978-0134768632
