FPP, p. 137, #9(a)
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ABCDEFGHIJKLMNOPQRSTUVWXYZAA
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ave. of x2
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ave. of y3
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SD of x1
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SD of y2
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correlation-0.8
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used to compute SD of x and yused to compute correlation
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xyx - (ave. of x)(x - ave. of x)^2y - (ave. of y)(y - ave. of y)^2x in std. unitsy in std. unitsproduct of x and y in std. units
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15-1124-11-1
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13-1100-100
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15-1124-11-1
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17-11416-12-2
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230000000
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230000000
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2100-240-10
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3111-241-1-1
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3111-241-1-1
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4124-242-1-2
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