a. Suppose you want to determine whether the average values for populations 1 and 2 are different,
Question:
a. Suppose you want to determine whether the average values for populations 1 and 2 are different, and you randomly gather the following data.
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Test your conjecture, using a probability of committing a Type I error of .01. Assume the population variances are the same and x is normally distributed in the populations.
b. Use these data to construct a 98% confidence interval for the difference in the two populationmeans.
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a H o 1 2 0 01 H a 1 2 0 df 18 18 2 34 Sample 1 Sample 2 n 1 18 n 2 18 x 1 5333 x 2 944...View the full answer
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Related Book For 
Business Statistics For Contemporary Decision Making
ISBN: 978-1118749647
8th edition
Authors: Black Ken
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