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1. The data in file XR13084 represent the Scholastic Aptitude Test (SAT) scores for a random sample of 200 high school seniors who have taken the exam. Using the 0.025 level of significance, test whether the sample scores could have come from a population that is normally distributed.
2. For a random sample of households in a county, file XR13085 lists the number of TV sets owned by each of the households in the study. Using the 0.025 level of significance, test whether x 5 the number of television sets per household could be Poisson distributed in the county's households.
(1 + Z)Z1 + 2ZXZZX + (1 + Z)Z = 0, in the region 0
Identify a business research issue, problem, or opportunity facing your organization that can be examined using Hypothesis Testing. Describe the results of a hypothesis test on your selected research issue, problem, or opportunity.
Evaluate your histograms for any outliers in your data. Based on your evaluation of outliers, you may trim no more than 1% of the data contained in the data set. This must be done symmetrically (i.e., trimming no more than 0.5% off the top and 0.5..
We want to test the hypothesis that the population variances are equal.
burger dome sells hamburgers cheeseburgers french fries soft drinks and milk shakes as well as a limited number of
in a game you have a 20 chance of winning 20 a 10 chance of winning 15 a 20 chance of winning 10 and a 50 chance of
If 5 men and 5 women are to be chosen randomly and then paired off, what is the probability of a given pair (Alice-Bob) to be formed?
Regression equation Credits=15.4-.07. Select the correct statement. Increase in number of hours worked per week increases the expected number of credits.
Martin Motors has in stock three cars of the same make and model. The president would like to compare the gas consumption of the three cars (labeled car A, car B, and car C) using four different types of gasoline. For each trial, a gallon of gasoline..
What is the probability that the dample mean grade point average will be either less than 2.709 or more than 2.955.
Machine is not filling the bottles completely. A sample of 8 bottles is taken. Is there enough evidence to support the consumer's conjecture at alpha = .10?
Based on these results, a confidence interval for the population mean is found to be μ = 5.7 ± 4.4. Find the degree of confidence.
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