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Develop a hypothetical contingency table of data using a grid of 3 rows and four columns (label the rows and columns as you see fit. For example, the rows might be age, and the columns might be income level). Insert hypothetical values for each cell in the table.
Develop four probability questions using the table that you as an instructor of statistics might ask a class of students for a test in probability.
The total blood cholesterol concentrations, in mg/dL, are shown below for a random sample of six people. In the table below, x is the age of the subject and y is the subject's total cholesterol concentration. Find the 95% prediction interval when ..
Does this sample prove a violation of the guideline that the average patient should pay no more than $250 out-of-pocket?
Estimate the population mean
A psychologist is investigating the hypothesis that children who grow up as the only child in the household develop different personality characteristics than those who grow up in larger families.
Is it necessary to assume a normal distribution on the population to estimate the value of the mean spending per day? Explain.
To find the necessary sample size to achieve the given level of accuracy of prediction.
Find the mean ______________ and the standard deviation _____________
A quality control engineer is interested in the mean length of sheet insulation being cut automatically by machine. The desired length of the insulation is 12 feet. It is known that the standard deviation in the cutting length is 0.15 feet. A sam..
Data on distribution of cost for building effort, design work and testing effort.
What are the minimum and maximum heights it should use as a basis for its design?
Create a 99 percent confidence interval for mean daily intake of milk. You may suppose daily intake amounts are usually distributed.
In each of the following cases, decide whether or not a binomial distribution is an appropriate model, and give your reasons.
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