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Discussion 1 - Scatter Plot
Provide a link for a picture of a scatter plot where the r value is not given. Estimate what you think the r value would be and explain why. Discussion 2 - Correlation and Causation
Read the information in Chapter 3 of your text on correlation and causation and Example 6 titled "Spurious Correlation by Lurking Variables". This describes an observed correlation that may be caused by the influence of a third variable. Describe and cite a study where the correlation may be spurious. Alternately, you may choose to create and describe your own study where the observed correlation may be influenced by a third variable. Required Text: Johnson, Richard A. & Gouri K. Bhattacharyya. (2014). Statistics: Principles & Methods. (7th Ed.). Hoboken, New Jersey: John Wiley & Sons, Inc. ISBN: 9781119049661. ISBN: 9781118192450 (includes WileyPLUS). ISBN: 9781118190975 (WileyPLUS stand-alone).
FINRA is considering three alternatives for providing food services (breakfast and lunch) to its employees: creating a company owned food service and hiring its own staff, hiring an outside vendor to provide food services (outsourcing), or a combi..
Examine the claim of the health plan, assume further that we collected data depicting the lengths of stay of 40 patients who were hospitalized recently with coronary heart disease.
a data set with 7 observations yielded the following. use the simple linear regression model.greek letter capital sigma
assume that the significance level is a0.05. use the given information to find the p value and the critical values.
A pie chart shows the market shares of cola products. The "slice" for Pepsi-Cola has a central angle of 90 degrees. What is its market share?
If a worker at this fast food restaurant is selected at random, what is the probability that the worker earns more than 6. 75.
Estimate the number of moose on Isle Royale from these data, and then verify your guess by computer program.
Your client is being sued. You have asked the client's lawyer about the possibility of losing the lawsuit. The client, meanwhile, has asked you to describe what would happen to his or her financial statements.
The probability that at least 5 children out of 10 in a sample taken from a school may have a blood level that may impair development is?
The t-statistics that was obtained in the study of 400 subjects was t=20, rejecting the null hypothesis and showing that the drug has a beneficial effect. Why was management upset?
It was thought that the national average price per pound for Ospertan Basil Oil in 1999 in the US was $14 per pound. Since that time the Ospertan Basil Oil Cartel (OBOC) has tried to limit the supply of Ospertan Basil Oil reaching the U.S in order..
With a population standard deviation of $7810. Use α = 0.01 to test the researcher's theory. Assume wages in this industry are normally distributed, determine the 99% confidence interval of the population mean.
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