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1. Real estate agents always say "location, location, location" is the most important thing in buying a house. We want to know if the sales prices of homes in two neighborhoods are similar. A random sample is taken from each neighborhood. The prices of the homes in the two neighborhoods (in $1000) are
The sum of the ranks for Neighborhood A isA. 28.B. 46.C. 50.
2. Real estate agents always say "location, location, location" is the most important thing in buying a house. We want to know if the sales prices of homes in two neighborhoods are similar. A random sample is taken from each neighborhood. The prices of the homes in the two neighborhoods (in $1000) are
The mean for the Wilcoxon rank sum test isA. 36.B. 39.C. 38.
Compute the range, variance, standard deviation, and coefficient of variation. Compute the Z scores. Are there any outliers?
Set up hypotheses and carry out all relevant tests. Describe all results and implications which you have discovered.
Suppose that you want to compare the mean size of health care claims submitted by five groups of policyholders. Ten claims are randomly selected from amongst the existing claims for each of the five groups. The data is shown in the following table..
What is the hospital's cost of capital assuming that the hospital has the following capital structure on its Statement of Financial Position.
Company W is testing a sales software. Their salesforce of 500 people is divided into four regions: Northeast, Southeast, Central and West. Each sales person is expected to sell the same amount of products.
Compute the 95% confidence interval around the mean of each of the three groups and plot the confidence interval in the space provided above.
Using the .10 level of significance, can we conclude that the assembly time using the new method is faster?
Calculate the mean, median, and mode of your collected data. Show and explain your calculations
Shoppers enter Hamilton Place Mall at an average of 120 per hour, and the number and shoppers is Poisson distributed. What is the probability that at least 5 shoppers will enter the mall between 5:00 and 5:05 p.m.?
Harry's hamberger is a restaurant where customers form a single line for 1 cashier. The average numbers of arrivals is 1 per minute and the Poison distribution accurately defines this rate.
Construct a 90 percent confidence interval for the proportion of all kernels that would not pop.
Which of the following does not explain a possible relationship between variables when the null hypothesis is rejected?
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