8.34 For each of the effect-size calculations in the previous exercise, identify the size of the effect

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8.34 For each of the effect-size calculations in the previous exercise, identify the size of the effect using Cohen’s guidelines. Remember, for the SAT math exam, μ = 500 and σ = 100.

a. Sixty-one people sampled have a mean of 480.

b. Eighty-two people sampled have a mean of 520.

c. Six people sampled have a mean of 610.

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