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Q1) As MSU student, you would like to know average grade point average (GPA) for all students enrolled in MSU in spring semester of 2007. You make a decision to take a sample of 200 students who were enrolled at MSU in spring semester of 2007 and ask them each what their GPA is. Mean of this sample is 2.71 with sample standard deviation of .55. What is range of values within which you can be 99% certain that mean GPA of all students enrolled in MSU in spring semester of 2007 falls? Mention your conclusion in one complete sentence.
Q2) A researcher at MSU reported that according to her sample, college graduate students at MSU take have average of 7.1 sexual partners with sample standard deviation of 3.4. N of this study was 4396.
i) Determine the point estimate in this study?
ii) Compute the standard error in this example?
iii) What is the population in this example?
What is the probability that a randomly selected automobile manufactured by the company will have a defective microprocessor?
Write down the advantages and disadvantages of using computer software for decision making.
Would Kruskal-Wallis be the suitable statistical procedure to test this Research Question (RQ)? Describe your answer. When would you use Chi-Square test rather than One-Way Anova?
Now make a scatter plot of data from 1982 to 1998 (again, use years since 1800). Determine a linear, power, or exponential model that explains the crude oil production during this time period.
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How many days should be considered if a 95 percent confidence is used and the estimate is to be within one hundred dollars?
Which of the following Venn diagrams has shaded the event that the contractor wins exactly one of the contracts and evaluate the mean time to complete the entire homework assignment
Test hypothesis that calories of two populations are equal. Illustrate all steps of the hypothesis testing process. Points will be deducted for missing parts.
Suppose the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a family with three children will have two boys and one girl.
Finding an X score. All Bright University will consider an applicant for its MBA program who scores 95 percent or higher on the GMAT exam. The mean and standard deviation, respectively, for this test are 578 and 94. What is the lowest score (X) th..
Construct the following confidence intervals for your data set:
What happens to the probability of getting exactly 50% heads?
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