A taxi company is trying to decide whether to purchase brand A or brand B tires for its fleet of taxis. To estimate the difference in the two brands, an experiment is conducted using 12 of each brand. The tires are run until they wear out. The results are given in the table below. Compute a 99% confidence interval for μA - HB assuming the populations to be approximately normally distributed. You may not assume that the variances are equal. Brand A x₁ = 35,100 kilometers X2 37,200 kilometers Brand B S₁ = 4800 kilometers $2 = 6100 kilometers Click here to view page 1 of the table of critical values of the t-distribution. Click here to view page 2 of the table of critical values of the t-distribution. The confidence interval is
A taxi company is trying to decide whether to purchase brand A or brand B tires for its fleet of taxis. To estimate the difference in the two brands, an experiment is conducted using 12 of each brand. The tires are run until they wear out. The results are given in the table below. Compute a 99% confidence interval for μA - HB assuming the populations to be approximately normally distributed. You may not assume that the variances are equal. Brand A x₁ = 35,100 kilometers X2 37,200 kilometers Brand B S₁ = 4800 kilometers $2 = 6100 kilometers Click here to view page 1 of the table of critical values of the t-distribution. Click here to view page 2 of the table of critical values of the t-distribution. The confidence interval is
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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