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Suppose that a researcher obtains a correlation of r equals 0.60 for a sample of n equals 10 participants. Is this sample sufficient to conclude that a significant correlation exists in the population? Use a two-tailed test with alpha equal .05 if the sample had n equals 25 participants is the correlation significant? Use a two tailed test with alpha .05. What can you say about sample size based on your findings?

Suppose that a researcher obtains a correlation of r equals 0.60 for a sample of n equals 10 participants. Is this sample sufficient to conclude that a significant correlation exists in the population? Use a two-tailed test with alpha equal .05 if the sample had n equals 25 participants is the correlation significant? Use a two tailed test with alpha .05. What can you say about sample size based on your findings?

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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Suppose that a researcher obtains a correlation of r equals 0.60 for a sample of n equals 10 participants.

Is this sample sufficient to conclude that a significant correlation exists in the population? Use a two-tailed test with alpha equal .05

if the sample had n equals 25 participants is the correlation significant? Use a two tailed test with alpha .05.

What can you say about sample size based on your findings?

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