64 34 34 50 41 56 64 xᵢ 54 40 42 61 63 64 35 40 32 47 45 56 One of the observations (xᵢ) is left blank.       The sample mean is  x̅ = 47.25 Find the missing number. 32 The largest observation in the sample deviates from the mean by _______ standard deviations. a 1.34               b 1.39               c 1.45               d 1.51

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