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1. The St. Paul Pioneer Press has assigned its one remaining reporter to write an article about gasoline prices in the Twin Cities area. While not busy covering local football games and wedding receptions, the reporter has designed and taken simple random samples of regular unleaded gas prices at 35 stations in Minneapolis and 35 in St. Paul.
The IQ scores of 30 children from under-privileged households, were measured before and a year after, a program of nutritional supplementation was instigated at a primary school.
What is the probability winning a contract to build either the school or the hospital? The school only? The hospital only?
In comparing the two variances below, what is the test value and what are the degrees of freedom that should be used?
Based on these results, a confidence interval for the population mean is found to be u = 5.7 PLUS OR MINUS 4.4. Find the degree of confidence.
Identify the independent and dependent variables, and Construct a nominal, ordinal, and interval level measure for each independent and dependent variable.
Create the indicated confidence interval for population mean µ using a t- distribution.
Here is my data: these are the wages for women with a 2 yr degree, $11,702, $24,509, $34,746, $35,185 (median of $29,627) These are the wages for women with a 4 yr.
Ms Moline is the budget director for Nexus Media Inc. She is comparing travel costs for sales and the audit staff. She collected the following sample data:
Determine the probability that each of the 30 students will get computer in working condition?
Find the upper and lower control limits for x and r charts for the width of a chair seat when the sample grand mean (based on 30 samples of 6 observations each) is 27.0 inches, and the average range is 0.35 inches.
A group of sheep, infested with tapeworms, are randomly divided into two groups as follows. Each sheep is assigned a number (1 through 20) and then 10 numbers are selected by drawing 10 slips of paper from a box having the numbers 1 through 20 writte..
Two men are carrying a girl on a large plank that is 10m long and weights 200N. If the girl on a plank weighs 445N and sits 3m from one end, how much weight must each man support?
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