The Graduate Record Examination (GRE) scores were recorded for students admitted to three different graduate programs at
Question:
The Graduate Record Examination (GRE) scores were recorded for students admitted to three different graduate programs at a local university.
a. Do these data provide sufficient evidence to indicate a difference in the mean GRE scores for applicants admitted to the three programs?
b. Find a 95% confidence interval for the difference in mean GRE scores for programs 1 and 2.
c. If you find a significant difference in the average GRE scores for the three programs, use Tukey’s method for paired comparisons to determine which means differ significantly from the others. Use α = .05.
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a The following preliminary calculations are necessary T 1 2835 T 2 3300 T 3 2724 G 8859 Calcu...View the full answer
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Related Book For 
Introduction To Probability And Statistics
ISBN: 9780495389538
13th Edition
Authors: William Mendenhall, Robert J. Beaver, Barbara M. Beaver
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