Posted by **Macey** on Saturday, July 21, 2012 at 9:55pm.

Suppose you and a friend each take different random samples of data pairs (x,y) from the same population. Assume the samples are the same size. Based on your samples, you compute r = 0.83. Based on her sample your friend computes 0.79. Is your friendâ€™s value for r wrong? Explain

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**Anonymous**, Thursday, February 21, 2013 at 12:34pm
No. Different samples, from the same population may result in different value for sample statistic r.

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**John**, Sunday, April 20, 2014 at 6:40pm
Suppose you and a friend each take different random samples of data pairs (x,y) from the same population. Assume the samples are the same size. Based on your samples, you compute r=0.83. Based on her sample, your firmed computes r=0.79

Is your friends value wrong? Explain?

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