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End-of-Chapter Problems EVEN
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For the following sample of n = 5 scores:
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End-of-Chapter Problems EVEN: Chapter 04 Variability
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11. Gravetter/Wallnau/Forzano, Essentials - Chapter 4 - End-of-chapter question 28
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For the following sample of n = 5 scores: 70, 72, 71, 70, and 72:
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Simplify the arithmetic by first subtracting 70 points from each score to obtain a new sample of 0, 2, 1, 0, and 2. Then, compute the mean and standard deviation for the new sample.
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M = 1, SS = 4, and s = 1.00
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M = 1.25, SS = 9, and s = 1.34
M = 1.25, SS = 9, and s = 0.89
M = 1, SS = 4, and s = 0.89
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M = 71.0 and s = 1.00
M = 71.0 and s = 1.34
M = 71.3 and s = 1.34
M = 71.3 and s = 1.00
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