4. The following data represents the time taken to complete a race for 5 first and 7 final year athletes. Both samples were taken from normal populations. year athlete W Times in minutes First 90 145 195 180 99 year Final 98 82 120 88 150 66 101 Year a. Compute the 90% confidence interval for the difference in mean time taken to complete the race for the two groups of athletes.
4. The following data represents the time taken to complete a race for 5 first and 7 final year athletes. Both samples were taken from normal populations. year athlete W Times in minutes First 90 145 195 180 99 year Final 98 82 120 88 150 66 101 Year a. Compute the 90% confidence interval for the difference in mean time taken to complete the race for the two groups of athletes.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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