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You are trying to estimate the average starting salary for students graduating from marketing. You know the population is normal and the standard deviation of the population is $5,000. The mean of your sample of 36 students is $24,000.
a. Develop a 96% confidence interval estimate for the population mean starting salary.
b. Develop a 95% confidence interval estimate for the population mean starting salary.
c. How large a sample must you pick so that your margin of error will be $500 or less with 95% confidence?
Based on the data, determine the 95 percent confidence interval evaluate for true population mean?
In a group comparison study, the two groups need to be similar in every way except for the variable on which they were selected to differ.
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INFO 2020 PROJECT- Build a multiple regression model from your data, and prepare a business report that includes all of your previous work, and that presents a recommendation to a decision-maker based on your model and analysis
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