Randomization-The difference between the two sample proportions is0.0408.Results vary but this is typical: Among 1000 resamplings, differences less than or equal to−0.0408occurred343times and differences greater than or equal to0.0408occurred413times.Bootstrapping-Results vary but this is typical:80%CI:−0.173<p1−p2<0.095. A study was conducted to investigate the association between cell phone use and hemispheric brain dominance. Among 49 subjects whoprefer 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, 22were 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 earfor 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.Because the bootstrapping confidence interval containsprefer to use their right ear for cell phones. The conclusion from the bootstrapping result is~thereResearcher's ResultsZ= -0.410.342-0.169 P₁ P2 <0.087Test statisticP-value80% CIa. Use randomization for the given exercise. Compare the results to those obtained using the researcher's P-value.It appears that by chance, iteasy to get a difference like the one obtained, because the estimated P-value isthan the significance level. Therefore, the null hypothesisrejected, and thereof 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. The conclusion from the randomization result isthe researcher's P-value.(Type an integer or decimal rounded to three decimal places as needed.)b. Use bootstrapping for the given exercise. Compare the results to those obtained using the researcher's confidence interval.Click here to view a randomization result.Click here to view a bootstrapping result.Use prefer to use their left ear as p₁ and prefer to use their right ear asThe hypotheses are Ho P₁ P2 and H₁ P₁ P2.sufficient evidence to support the claim that the ratethe conclusion obtained usingsufficient evidence to support 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 whothe conclusion obtained using the researcher's 80% confidence interval.

Researcher's results:Null Hypothesis Alternative Hypothesis Test statistic P-value is 0.342.The 80%…

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

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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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.

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.
Because the bootstrapping confidence interval contains
prefer to use their right ear for cell phones. The conclusion from the bootstrapping result is
~
there
Researcher's Results
Z= -0.41
0.342
-0.169 P₁ P2 <0.087
Test statistic
P-value
80% CI
a. Use randomization for the given exercise. Compare the results to those obtained using the researcher's P-value.
It appears that by chance, it
easy to get a difference like the one obtained, because the estimated P-value is
than the significance level. Therefore, the null hypothesis
rejected, and there
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. The conclusion from the randomization result is
the researcher's P-value.
(Type an integer or decimal rounded to three decimal places as needed.)
b. Use bootstrapping for the given exercise. Compare the results to those obtained using the researcher's confidence interval.
Click here to view a randomization result.
Click here to view a bootstrapping result.
Use prefer to use their left ear as p₁ and prefer to use their right ear as
The hypotheses are Ho P₁ P2 and H₁ P₁ P2.
sufficient evidence to support the claim that the rate
the conclusion obtained using
sufficient evidence to support 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
the conclusion obtained using the researcher's 80% confidence interval.

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