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How does the distribution of credit hours look like? Does the mean number of credit hours per student appear to be significantly below 15 hours? Does the distribution of credit hours appear to be impacted by gender or class?
What is the proportion of students at StatCrunchU that have CC debt? For those students who have CC debt, does the amount of credit card debt appear to be influenced by any one or any combination of the other variables?
Suppose you want to compare the amount of student loan debt for males and females at StatCrunch U. The null hypothesis for this problem would be that there is no difference in the mean amounts of student loan debt for males and females and the alternate hypotheses would be that there is a difference in mean amounts of student loan debt. Using the sample you downloaded in StatCrunch Assignment 1A, conduct a randomization test for two means with 3000 randomizations.
a) Paste the output from your randomization test here.
b) What p-value did you get in your randomization? Explain in the context of the problem what the p-value means.
c) Do you think the data support the null hypothesis of no difference in mean student loan debt between males and females or the alternate hypothesis that there is a difference? Explain your answer.
Calculate the regression equation for this data
What assumptions about the number of pedestrians passing the location in an hour are necessary for your hypothesis test to be valid?
Locate the original poll, summarize the poling procedure (background on how information was gathered), the sample surveyed.
Using the data on the growth rate of Money and inflation, run a regression of the rate of inflation on the rate of growth of the money supply
Use these data to develop an estimated regression equation that could be used topredict the total cost for a given production volume and what is the variable cost per unit produced
Discuss the importance of the independent variable in Linear Regression.
Write a sentence demonstrating how a research report would present the results of the hypothesis test and the measure of effect size and determine whether there are any significant differences among the three treatment means.
What would be the appropriate statistical procedure to test the following hypothesis: "Triglyceride values are a good predictor of weight in obese adults." What are the functions of parametric statistical procedures?
We expect to have a positive relationship between Advertising and Demand.
Please read through the case scenario shown below to gain an understanding of the background information and the research study
Calculate mortgage rates, production lot size, forecast the demand for the products, track epidemics and their spread, help solve crimes, even help estimate tax revenues.
Perspective about the problem you are trying to analyze; in other words, you should review the literature concerning your subject. The library or the web will be a good source of information.
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