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x2 Goodness of Fit Test for Normal Distribution. The following sample of 48 observations was collected. Use a = 0.10 (The sample mean is 51, and sample standard deviation is 19.) 19, 20, 21, 21, 23, 25, 26, 2?, 29, 32, 33, 35, 38, 39, 39, 41, 41, 42, 44, 45, 48, 51, S2, 52 T T 53, S4, S6, S8, S9, 60, 60, 61, 64, 65, 66, 6?, 68, 68, 69, 71, 72, 74, 75, 8, 9, 80, 82, 84 State Ho : .................................. Ha : ........................................ What is the value of your test statistic? (Computed x2): ............... What is the Critical value? : . . . . .. How many degrees of Freedom? ......... Do reject Ho? ...... Is the \"Population\" Normally distributed