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Consider a multiple regression model, y = beta_0 + beta_1 * x_1 + beta_2 * x_2 + beta_3 * x_3 to fit these data, which consist of points of the form (x_1, x_2, x_3, y):
B0 = 5.89
B1 = 1.69
B2 = 3.17
B3 = 3.30
Consider testing H_0: beta_1 = beta_2 = beta_3 = 0 against H_1: not H_0. Find the value of the F test statistic.
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researchers have suggested that the acidity (pH)of rainfall in the shenandoah Mountains can be described by the Normal model N(4.9,0.6). What is the IQR for the pH of rainfall?
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