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Statistics

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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 friend’s value for r wrong? Explain

  • Statistics -

    No. Different samples, from the same population may result in different value for sample statistic r.

  • Statistics -

    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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