The pass completion percentages of 10 college football quarterbacks for their freshman and sophomore seasons are shown in the table below. At a=0.10, is there enough evidence to support the claim that the pass completion percentages changed? Complete parts (a) through (e) below. Player 1 5 6 7 8 9 10 Completion percentage (freshman) 2 3 4 67.9 62.6 56.5 61.0 64.3 50.0 59.0 62.6 54.8 59.5 Completion percentage (sophomorel 67.5 58.6 62.9 62.5 63.2 57.7 64.6 61.6 56.7 61.3 (b) Calculated and sd. Calculate d. d (Round to three decimal places as needed.) Calculate S- $=(Round to three decimal places as needed.) (c) Find the standardized test statistic t t= (Round to two decimal places as needed.) (d) Calculate the P-value. P-value= (Round three decimal places as needed.) (e) The rejection regions for this test would be t< -1.833 and t > 1.833, so the null hypothesis would not be rejected. Decide whether to reject or fail to reject the null hypothesis using the P-value. Interpret the decision the context of the orig claim. Are the results the same as the critical value approach? the results the same as using the critical value approach. the null hypothesis. There enough evidence to the claim that the pass completion percentages have
The pass completion percentages of 10 college football quarterbacks for their freshman and sophomore seasons are shown in the table below. At a=0.10, is there enough evidence to support the claim that the pass completion percentages changed? Complete parts (a) through (e) below. Player 1 5 6 7 8 9 10 Completion percentage (freshman) 2 3 4 67.9 62.6 56.5 61.0 64.3 50.0 59.0 62.6 54.8 59.5 Completion percentage (sophomorel 67.5 58.6 62.9 62.5 63.2 57.7 64.6 61.6 56.7 61.3 (b) Calculated and sd. Calculate d. d (Round to three decimal places as needed.) Calculate S- $=(Round to three decimal places as needed.) (c) Find the standardized test statistic t t= (Round to two decimal places as needed.) (d) Calculate the P-value. P-value= (Round three decimal places as needed.) (e) The rejection regions for this test would be t< -1.833 and t > 1.833, so the null hypothesis would not be rejected. Decide whether to reject or fail to reject the null hypothesis using the P-value. Interpret the decision the context of the orig claim. Are the results the same as the critical value approach? the results the same as using the critical value approach. the null hypothesis. There enough evidence to the claim that the pass completion percentages have
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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