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At a certain university, the average attendance at basketball games has been 2825. This year the attendance for the first 13 games has been 2365 with a standard deviation of 635. The athletic director claims that the attendance is the same as last year. If = .05, what are the critical values for this two-tailed t test?
a warehouse distributor of carpet keeps 6000 yards of deluxe shag carpet in stock during a month. the average demand
At the .05 significance level, can we conclude that the guideline is still reasonable?
21 percent of the employees in a company have managerial positions, and 31 percent of the employees in the company have MBA degrees. Also, 66 percent of the managers have MBA degrees. Using the probability formulas, find the proportion of employee..
in a survey 1864 out of 2246 randomly selected adults in the united states said that texting while driving should be
An experiment with three outcomes has been repeated 50 times, and it was learned that E1 occured 20 times, E2 occured 13 times, and E3 occured 17 times.
a a manufacturer of golf equipment wishes to estimate the number of left-handed golfers in the u.s. how large of a
Draw the appropriate conclusions with respect to female and male human resource manager salary levels. Calculate the t value for independent groups for the following data.
Suppose that a study based on a sample from a targeted population shows that people at a pizza restaurant are hungrier than people at a coffee shop. Make an interference based on the results of the study.
If, 20 patients improved, 7 declined, and 3 remained the same, assess whether or not patients undergoing this treatment are showing significant change from baseline to 3 months afterward. Report a p-value.
A committe studying employer-employee relations proposed that a rating system be adopted. Each employee would rate his or her inmediate supervisor and in turn the supervisor would rate each employee.
Contains at least 1 card of your denomination and gives you "trips" that is, contains exactly 1 card of your denomination and 2 other unpaired cards.
A scatter plot and regression line can be used for all of the following EXCEPT
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