Reference no: EM1378421
Question1.
You are interpreting results of an opinion poll. In a random sample of one hundred small business owners, you discover that of the forty large business owners, a total of thirty support a proposal to implement a local sales tax. Of the 60 small business owners, 20 support it. How can you determine if there is a relationship between size of business owned and whether the owner is likely to support a sales tax?
Question2.
You are a training manager for a manufacturing firm and have three new training programs to assess. You assign, at random, equal numbers of employees to each of the training programs in order to determine which program is most efficient. How might you go about analyzing the results?
Question3.
Here's a link to a report by the San Francisco Department of Public Health that suggests criminals are more likely to own a gun than non-criminals: https://www.dph.sf.ca.us/Reports/Firearms/Part7Criminal.pdf What does this suggest to you?
Question4.
A senior accounting major at Midsouth State University has job offers from four CPA firms. To explore the offers further, she asked a sample of recent trainees how many months each worked for the firm before receiving a raise in salary. The sample information is:
Number of months before first raise in salary
CPA Inc. AB Int. Acct. Ltd. Pfisters
12 14 18 12
10 12 12 14
14 10 16 16
12 10
At the .05 level of significance, is there a difference in the mean number of months before a raise was granted among the four firms?
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: You are interpreting results of an opinion poll. In a random sample of one hundred small business owners, you discover that of the forty large business owners, a total of thirty support a proposal to implement a local sales tax.
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Difference in the mean number of months
: A senior accounting major at Midsouth State University has job offers from 4-CPA companies. To explore the offers further, she asked a sample of recent trainees how many months each worked for the company before receiving a increase in salary.
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