How to Test a Correlation for Significance

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This video covers how to test a correlation coefficient (Pearson’s r) by hand. In part 1 we calculated Pearson's r and found it to be equal to -.90. Now we are testing it for statistical significance.

Quantitative Specialists
  1. Quantitative Specialists
  2. Correlation
  3. How to test a correlation for significance
  4. critical value for Correlation
  5. Reject the hypothesis
  6. How to calculate the correlation
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Комментарии
Автор

I have a question... why did you not calculate the test statistic? It is step 3 in testing significance... I’m confused

mehnaaz
Автор

Hello, thank you for your insightful videos, I learn a lot from them. I just wanted to request a course on Hotelling T2 test on SPSS, how and why it is applied to real data.

rezzagheblamehdi
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Thanks for the info! Very helpful! I noticed that there is no p value output when using 2D correlation to compare how similar two images are. Could you please explain why?

jessiestone
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You’re confusing me. -.880 still in the red bracket.

margaretwatkins
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Could you explain how critical value table at 0:45 is drive from?

ynwtint
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to get the critical value, is the alpha equal to 0.05? or 0.025? because this a 2-tailed test..

gerardsayomac
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hello, I fi have a sample of a 100 people, the degrees of freedom would be 98, but somehow i cannot find dF of 98 anywhere online on the table...can someone help me? @Quantitative specialists

jyotiradityavirdi