Arnold F. answered • 05/04/16
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College Professor & Expert Tutor In Statistics and Calculus
If you don't know the stan. dev. of the population replace it with the stan dev of the sample.
If you have two different (independent) samples the formula for sxy is a bit more complicated.
Any questions?
Arnold F.
If you add the full question as a comment I could better tell if there's a way to get s, otherwise I don't see how to get it.
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05/04/16
Ashley T.
A politician claims that fewer than 70% of the voters in his district agree with his stand on the gun control issue. Test his claim at the .04 level of significance. (A random sample of 500 voters were taken from his district. 330 of them agreed with his stand)
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05/04/16
Ashley T.
05/04/16