wers players' IQs. The soccer players were divided into two groups, based on whether they averaged 10 or more headers per game. ean 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 companying table. Fewer Than 10 Headers 33 27 10 or More Headers n USE SALT Sample Mean 108. 99 Sample sd 9 7 (a) Does the sample data support the conclusion that the mean IQ of soccer players who frequently head the ball is lower than that of those who do not frequently head the ball? Test the relevant hypotheses using a = 0.05. (Use fewer than 10 headers 10 headers') Find the test statistic. (Round your answer to two decimal places.) t = 4.35 X Find the df. (Round your answer down to the nearest whole number.) df = 58 x Use technology to find the P-value. (Round your answer to four decimal places.) P-value=0.9999 X

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