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Changes in ?nancial support for students in recent years have caused controversy. Suppose we want to investigate whether there is ?nancial hardship, and, if so, how much, among students. Discuss brie?y how we might use a survey to do this.
• Suggest a target population. Who, exactly, are the "students" in question?
• What kind of sampling should we use?- Strati?ed?- Cluster?- Multi-stage?
Suggest a choice of sampling method and comment on why you have made this choice.
• Comment on the extent to which we will be able to draw any conclusions about whether potential students are deterred from starting courses because of the changes.
Make a decision regarding the null hypothesis based on the sample information. Interpret the results of the test and state your conclusion.
Five cards are drawn from an ordinary deck without replacement. Find the probability of getting:
What do we use the F Distribution to test? Provide an example from your place of employment or circle of influence of an instance when you could use the F Distribution.
A psychologist interested in political behavior measured the square footage of the desks in the official office of four U.S. governors and of four chief executive officers (CEOs) of major U.S. corporations.
The winning team's score in 13 high school basketball games was recorded. If the sample mean is 54.3 points and the sample standard deviation is 11.0 points, find the 98% confidence interval of the true mean.
Derive the formula for the expected value Y, derive the formula for the moment generating function of Y
Assume a factory manager wishes to buy machines to perform a certain task in a production process. Certain key parts are produced by these machines.
Formulate and solve a 0-1 integer linear program model that can be used to find the minimum number of locations necessary to provide coverage to all areas. Clearly indicate your linear program model.
Why use the Wilcoxon T test. What is the hypothesis statements you used? Consider do we prefer working with dependent samples or independent samples? Explain
Find a 95% confidence interval for the percentage of girls and women in Taiwan who had antibodies at that time.
Find out the expected winnings for a person who buys one ticket.
A regional director responsible for business development in the state of pennsylvania is cocerned about the number of small business failures. If the mean of small businsses failures per month is 10,
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