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23. You are teaching an Algebra class and wish to curve the grades for the last test. The mean was 73 and the standard deviat

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23, M = 73 r=6 15% cut off Z score a -1.036 where Z-x-4 = -1.036 = a -73 6 2 x = (-1.036x6) + 7 = 660 76 N 67 Answer t A 67 2

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