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A high school senior wonders if being blindfolded affects a person's typing accuracy. He randomly selects 17 students from his large school. For one of the treatments, the senior reads a statement to each student and asks them to type it while wearing a blindfold. For the other treatment, the student is asked to type a similar statement without wearing a blindfold. The order of treatments is determined with the flip of a coin. The mean difference (blindfolded - not blindfolded) in the number of correct words is 6.12 words with a standard deviation of 5.98 words. Assuming the conditions for inference have been met, is there evidence of a difference, on average, in typing accuracy while wearing a blindfold and not wearing a blindfold? Use a significance level of a = 0.05. Find the t-table here. Because the P-value is less than a, there is evidence of a difference, on average, in typing accuracy while wearing a blindfold and not wearing a blindfold. Because the P-value is greater than a, there is evidence of a difference, on average, in typing accuracy while wearing a blindfold and not wearing a blindfold. Because the P-value is less than a, there is not sufficient evidence of a difference, on average, in typing accuracy while wearing a blindfold and not wearing a blindfold

A high school senior wonders if being blindfolded affects a person's typing accuracy. He randomly selects 17 students from his large school. For one of the treatments, the senior reads a statement to each student and asks them to type it while wearing a blindfold. For the other treatment, the student is asked to type a similar statement without wearing a blindfold. The order of treatments is determined with the flip of a coin. The mean difference (blindfolded - not blindfolded) in the number of correct words is 6.12 words with a standard deviation of 5.98 words. Assuming the conditions for inference have been met, is there evidence of a difference, on average, in typing accuracy while wearing a blindfold and not wearing a blindfold? Use a significance level of a = 0.05. Find the t-table here. Because the P-value is less than a, there is evidence of a difference, on average, in typing accuracy while wearing a blindfold and not wearing a blindfold. Because the P-value is greater than a, there is evidence of a difference, on average, in typing accuracy while wearing a blindfold and not wearing a blindfold. Because the P-value is less than a, there is not sufficient evidence of a difference, on average, in typing accuracy while wearing a blindfold and not wearing a blindfold

MATLAB: An Introduction with Applications
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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A high school senior wonders if being blindfolded affects a person's typing accuracy. He randomly selects 17 students from his large school. For one of the treatments, the senior reads a statement to each student and asks them to type it while wearing a blindfold. For the other treatment, the student is asked to type a similar statement without wearing a blindfold. The order of treatments is determined with the flip of a coin. The mean difference (blindfolded - not blindfolded) in the number of correct words is 6.12 words with a standard deviation of 5.98 words. Assuming the conditions for inference have been met, is there evidence of a difference, on average, in typing accuracy while wearing a blindfold and not wearing a blindfold? Use a significance level of a = 0.05. Find the t-table here. Because the P-value is less than a, there is evidence of a difference, on average, in typing accuracy while wearing a blindfold and not wearing a blindfold. Because the P-value is greater than a, there is evidence of a difference, on average, in typing accuracy while wearing a blindfold and not wearing a blindfold. Because the P-value is less than a, there is not sufficient evidence of a difference, on average, in typing accuracy while wearing a blindfold and not wearing a blindfold
Transcribed Image Text:A high school senior wonders if being blindfolded affects a person's typing accuracy. He randomly selects 17 students from his large school. For one of the treatments, the senior reads a statement to each student and asks them to type it while wearing a blindfold. For the other treatment, the student is asked to type a similar statement without wearing a blindfold. The order of treatments is determined with the flip of a coin. The mean difference (blindfolded - not blindfolded) in the number of correct words is 6.12 words with a standard deviation of 5.98 words. Assuming the conditions for inference have been met, is there evidence of a difference, on average, in typing accuracy while wearing a blindfold and not wearing a blindfold? Use a significance level of a = 0.05. Find the t-table here. Because the P-value is less than a, there is evidence of a difference, on average, in typing accuracy while wearing a blindfold and not wearing a blindfold. Because the P-value is greater than a, there is evidence of a difference, on average, in typing accuracy while wearing a blindfold and not wearing a blindfold. Because the P-value is less than a, there is not sufficient evidence of a difference, on average, in typing accuracy while wearing a blindfold and not wearing a blindfold
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