The following data represent free-throw percentages: 73, 68, 58, 81, 76, 84, 92, 68 1. Find mean, variance and standard deviation. 2. Find the z-score of the person who averaged 92. 3. Fill in the table. Calculate the standard deviation. These numbers represent the number of miles flown by the population of Bald Eagles in California. Class 0-2 3-5 6-8 9- 11 ܙ Midpoint Frequency (x) (f) 1 10 7 Use ² find standard = Σf= 2 xf Σf(x-μ)2 Σf deviation. Mean (μ) Σxf = Σ f(x -μ)2 = X- (-μl| μ (x-μf. (x- 1² μ)² to find variance. = Σαξ Σf = Use o to

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