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Determine the following information on your selected data set.
1. State the dataset and the two quantitative variables of interest. Do you think there might be a correlation between the two variables (before you analyze the data)? Why or why not.
2. Show a scatterplot with a simple linear regression.
3. Run the regression analysis in Excel Data Analysis. Share the output.
4. What is the coefficient of determination r2? Summarize the results by stating whether this is a strong or weak relationship. State whether it is a positive or negative relationship. Is this result what you expected?
5. Use the regression analysis output to determine the linear regression (best fit prediction line) equation.
It is thought that exercising early in the morning will provide better energy throughout the day. To test this idea, subjects are recruited and randomly
According to a book published in 2011, 45% of the undergraduate students in the United States show almost no gain in learning in their first two years
The demand for a product of Carolina Industries varies greatly from month to month. The probability distribution in the following table
Write a 500-750 word paper describing the model deployment and model life cycle aspects of your model. How will model quality be tracked over time
An urn contains M balls, numbered I to M. Two balls are drawn, 1 after the other, with replacement (without replacement). Consider the 2-tuple valued random
consider the following. give your answers correct to two decimal places.a find the standard score z such that the area
What are the null and alternative hypotheses to test if the new battery has longer life than the old battery? Draw a conclusion for the hypothesis test. Make sure you state your conclusion in the context of the problem.
Compare the words per day spoken by the men with the words per day spoken by the women using the Wilcoxon rank sum test. Summarize your results and conclusion in a short paragraph.
Twelve cases of leukemia are reported in people living in a particular census tract over a 5-year period. Is this number of cases abnormal if only 6.7 cases would be expected based on national cancer-incidence rates?
Is there any evidence to suggest that there is a difference in the mean number of hours worked per week due to region?
Conduct a test for homogeneity of populations with a = 0.05. Is there any evidence to suggest that the true proportions associated with transfer plans
Your neighbor believes that the distribution of times it takes to mow his lawn is virtually the same as the distribution of times it takes to mow your lawn.
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