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A researcher at a medical college conducted a study of 60 randomly selected male soccer players and concluded that frequently "heading" the ball in soccer lowers players' IQs. The soccer players were divided into two groups, based on whether they averaged 10 or more headers per game. Mean IQs were reported in the article, but the sample sizes and standard deviations were not given. Suppose that these values were as given in the accompanying table. (Use a statistical computer package to calculate the P-value. Use fewer than 10 headers 10 headers Round your test statistic to two decimal places, your df down to the nearest whole number, and the P-value to three decimal places.) t= 3.87 df = 58 P= 0.0000 Fewer Than 10 Headers 10 or More Headers n 34 26 Sample Sample Mean sd 116 10 107 8

A researcher at a medical college conducted a study of 60 randomly selected male soccer players and concluded that frequently "heading" the ball in soccer lowers players' IQs. The soccer players were divided into two groups, based on whether they averaged 10 or more headers per game. Mean IQs were reported in the article, but the sample sizes and standard deviations were not given. Suppose that these values were as given in the accompanying table. (Use a statistical computer package to calculate the P-value. Use fewer than 10 headers 10 headers Round your test statistic to two decimal places, your df down to the nearest whole number, and the P-value to three decimal places.) t= 3.87 df = 58 P= 0.0000 Fewer Than 10 Headers 10 or More Headers n 34 26 Sample Sample Mean sd 116 10 107 8

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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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A researcher at a medical college conducted a study of 60 randomly selected male soccer players and concluded that frequently "heading" the ball in soccer lowers players' IQs. The soccer players were divided into two groups, based on whether they averaged 10 or more headers per game. Mean IQs were reported in the article, but the sample sizes and standard deviations were not given. Suppose that these values were as given in the accompanying table. (Use a statistical computer package to calculate the P-value. Use fewer than 10 headers 10 headers Round your test statistic to two decimal places, your df down to the nearest whole number, and the P-value to three decimal places.) t = 3.87 df = 58 P= 0.0000 n Fewer Than 10 Headers 34 10 or More Headers 26 X Sample Sample Mean sd 116 10 107 8 Does the sample data support the conclusion that the mean 10 of soccer players who frequently head the hall is lower than that of
Transcribed Image Text:A researcher at a medical college conducted a study of 60 randomly selected male soccer players and concluded that frequently "heading" the ball in soccer lowers players' IQs. The soccer players were divided into two groups, based on whether they averaged 10 or more headers per game. Mean IQs were reported in the article, but the sample sizes and standard deviations were not given. Suppose that these values were as given in the accompanying table. (Use a statistical computer package to calculate the P-value. Use fewer than 10 headers 10 headers Round your test statistic to two decimal places, your df down to the nearest whole number, and the P-value to three decimal places.) t = 3.87 df = 58 P= 0.0000 n Fewer Than 10 Headers 34 10 or More Headers 26 X Sample Sample Mean sd 116 10 107 8 Does the sample data support the conclusion that the mean 10 of soccer players who frequently head the hall is lower than that of
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