My Math Forum Correlation

 May 11th, 2017, 05:53 AM #1 Newbie   Joined: May 2017 From: Belgium Posts: 2 Thanks: 0 Correlation I have to say if my correlation is significant or not so I did a t-test but I don't know what to do with the outcome. I calculated my correlation using excel = 0,754651674 R= 0,754651674 R square= 0,569499149 variance 57% -> strong connection Test statistic t = r/√1-r²/n-2 0,75/√1-(0.75)²/40-2 = 6.90 I don't know what to do with the 6,90 outcome?
 May 23rd, 2017, 02:18 AM #2 Senior Member   Joined: Dec 2012 From: Hong Kong Posts: 853 Thanks: 311 Math Focus: Stochastic processes, statistical inference, data mining, computational linguistics $\displaystyle t_{0.05, df=38} = 1.685954$; your correlation is significant at the 0.05 level.

 Tags correlation, statistic, t-test

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