21. On a test of motor coordination, the population of average bowlers has a mean score of 24, with a standard deviation of 6. A random sample of 30 bowlers at Bubba’s Bowling Alley has a sample mean of 26. A second random sample of 30 bowlers, at Babette’s Bowling Alley, has a mean of 18. Using the .05 criterion and both tails of the sampling distribution, decide if each sample represents the population of average bowlers.
21. On a test of motor coordination, the population of average bowlers has a mean score of 24, with a standard deviation of 6. A random sample of 30 bowlers at Bubba’s Bowling Alley has a sample mean of 26. A second random sample of 30 bowlers, at Babette’s Bowling Alley, has a mean of 18. Using the .05 criterion and both tails of the sampling distribution, decide if each sample represents the population of average bowlers.
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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21. On a test of motor coordination, the population of average bowlers has a mean score of 24, with a standard deviation of 6. A random sample of 30 bowlers at Bubba’s Bowling Alley has a sample mean of 26. A second random sample of 30 bowlers, at Babette’s Bowling Alley, has a mean of 18. Using the .05 criterion and both tails of the sampling distribution, decide if each sample represents the population of average bowlers. 22.
In question 21, if a particular sample does not represent the population of average bowlers, what is your best estimate of the population m it does represent? (b) Explain the logic behind this conclusion.
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