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According to the Center on Budget and Policy Priorities article "Curbing Flexible Spending Accounts Could Help Pay for Health Care Reform" (revised June 10, 2009), flexible spending accounts encourage the over-consumption of health care; people buy things they do not need, otherwise they lose the money. In 2007, for those that did not use all of their account (about one out of every seven), the average amount lost was $723.Suppose a random sample of 150 employees who did not use all of their funds in 2009 is taken and an average amount of $683 was lost. Test the hypothesis that there is no significant difference in the average amount forfeited. Assume that σ = $307 per year. Use α = 0.05.a. Define the parameter.b. State the null and alternative hypotheses.c. Specify the hypothesis test criteria.d. Present the sample evidence.e. Find the probability distribution information.f. Determine the results.
Quarterly billing for water usage is shown below.
Identify the sampling technique being used. Every 20th patient that comes into the emergency room is given a satisfaction survey upon their discharge.
What is the difference between Nominal, Ordinal, and Scale?My assignment has 3 variables: 1) reinforcement schedules (random or spaced)2) reinforcers (token, money, and food)3) dependent variable (test scores)
Coral City has a beltway which circles the city.The City Council is concerned about the mean population speed of the cars on that beltway.Find the sample size if the City Council wants to estimate the mean speed within 1 mile per hour with 95%..
A study done by the Ohio State University Medical Center examined whether or not taking an aspirin a day would help colon cancer patients reduce the chance of getting subsequent colon polyps. 635 patients with colon cancer participated; 317 of ..
Create a correlation table for the variables in our data set. Reviewing the data levels from week 1, what variables can be used in a Pearson's Correlation table (which is what Excel produces)
Plot each of the predictors against the response. Plot the predictors against each other. The purpose here is to get a graphical idea of the relationships in the data.
Respond to your peers or the professor and tell the person whether his answer is correct or incorrect and explain why. Indicate the name of the topic and the name of the slice on the Subject line so it is easier for others to follow. Pleas..
Analyze whether gender differences exist in the size of pay-raise and whether or not these differences are attributable to the size of the university.
Reflection to date
Example the difference between graphs
According to a survey by Accountemps, 48% of Canadian executives within medium sized companies believe that employees are most productive on Tuesdays. Suppose 200 executives are randomly surveyed.
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