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A researcher obtained the following for the 95% confidence interval for Pearson's correlation. [-0.05, 0.72] For a sample size of 20, based on r=0.40 Choose the correct statement a) 95% of sample correlations will fall between -0.05 and 0.72. We can therefore conclude that the correlation in the population differs significantly from zero.   b) We are 95% confident that the correlation in the population is between -0.05 and 0.72. However this is based only on one sample and therefore it is inconclusive whether the population correlation differs significantly from zero.   c) We are 95% confident that the correlation in the population is between -.05 and 0.72.. We can therefore conclude that the correlation in the population does differ signifcantly from zero.   d) We are 95% confident that the correlation in the population is between -.05 and 0.72.. We can therefore conclude that the correlation in the population does not differ signifcantly from zero.

A researcher obtained the following for the 95% confidence interval for Pearson's correlation. [-0.05, 0.72] For a sample size of 20, based on r=0.40 Choose the correct statement a) 95% of sample correlations will fall between -0.05 and 0.72. We can therefore conclude that the correlation in the population differs significantly from zero.   b) We are 95% confident that the correlation in the population is between -0.05 and 0.72. However this is based only on one sample and therefore it is inconclusive whether the population correlation differs significantly from zero.   c) We are 95% confident that the correlation in the population is between -.05 and 0.72.. We can therefore conclude that the correlation in the population does differ signifcantly from zero.   d) We are 95% confident that the correlation in the population is between -.05 and 0.72.. We can therefore conclude that the correlation in the population does not differ signifcantly from zero.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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A researcher obtained the following for the 95% confidence interval for Pearson's correlation.

[-0.05, 0.72]

For a sample size of 20, based on r=0.40

Choose the correct statement


a) 95% of sample correlations will fall between -0.05 and 0.72. We can therefore conclude that the correlation in the population differs significantly from zero.
 
b) We are 95% confident that the correlation in the population is between -0.05 and 0.72. However this is based only on one sample and therefore it is inconclusive whether the population correlation differs significantly from zero.
 
c) We are 95% confident that the correlation in the population is between -.05 and 0.72.. We can therefore conclude that the correlation in the population does differ signifcantly from zero.
 
d) We are 95% confident that the correlation in the population is between -.05 and 0.72.. We can therefore conclude that the correlation in the population does not differ signifcantly from zero.
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