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1. Verify that for the data in the previous problem, the boxplot rule declares the values 20, 240, and 250 outliers
2. What do the last three problems suggest about the boxplot rule versus the classic rule for detecting outliers?
Let x equal the number of cells activating the alarm when the temperature reaches 100F. Find the expected value and the variance for the random variable x.
Suppose a statistician chose to test a hypothesis at sigma = 0.01. The critical value for a right-tailed test is +2.33. If the test value were 1.97, what would the decision be?
In light of these data, are the percentages of divorcing couples with prenuptial agreements equal in these four places?
Describe the factors that might cause variation in weight of Tootsie Rolls during manufacture.
researchers tested whether the gender of hurricane name affects perceived risk amp evacuation intentions. 142
an economic theory is that the money flowing in and out of mutual funds fund flows is related to the performance of
Draw the complete decision tree and determine whether the product should be launched or not.
A reasearcher is running a chi-sq test. She would like to test her hypothesis at the alpha=.05 and finds that her research situation has 5 degrees of freedom. What is value for the chi-sq critical?
Compute the 3.9% confidence interval on the mean. Which confidence interval is more practical and useful in a business situation? Why?
Eighteen first interviews are usually scheduled per day. What is the probability that the average length of time for the eighteen interviews will be 40 minutes or longer?
you are standing in line at the super market when a scientist standing behind you strikes up a conversation with you.
a. The painter that draws the outline of the designated frame.b. The painter that draws an by connecting opposite corners of the frame.
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