A study was conducted to investigate the association between cell phone use and hemispheric brain dominance. Among 49 subjects who prefer to use their left ear for cell phones, 20 were right-handed. Among 49 subjects who prefer to use their right ear for cell phones, 22 were right-handed. Use a 0.10 significance level to test the claim that the rate of right-handedness for those who prefer to use their left ear for cell phones is less than the rate of right-handedness for those who prefer to use their right ear for cell phones. Complete parts (a) and (b) using the accompanying results. Researcher's Results z= -0.41 Because the bootstrapping confidence interval contains prefer to use their right ear for cell phones. The conclusion from the bootstrapping result is Test statistic P.value 80% CI 0.342 -0.169
A study was conducted to investigate the association between cell phone use and hemispheric brain dominance. Among 49 subjects who prefer to use their left ear for cell phones, 20 were right-handed. Among 49 subjects who prefer to use their right ear for cell phones, 22 were right-handed. Use a 0.10 significance level to test the claim that the rate of right-handedness for those who prefer to use their left ear for cell phones is less than the rate of right-handedness for those who prefer to use their right ear for cell phones. Complete parts (a) and (b) using the accompanying results. Researcher's Results z= -0.41 Because the bootstrapping confidence interval contains prefer to use their right ear for cell phones. The conclusion from the bootstrapping result is Test statistic P.value 80% CI 0.342 -0.169
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
Related questions
Question
Randomization-The difference between the two sample proportions is
0.0408.
Results vary but this is typical: Among 1000 resamplings, differences less than or equal to
−0.0408
occurred
343
times and differences greater than or equal to
0.0408
occurred
413
times.
Bootstrapping-Results vary but this is typical:
80%
CI:
−0.173<p1−p2<0.095.
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