Next Testing: Ho : u 48.7 Your sample consists of 40 values, with a sample mean of 48.8. Suppose the population standard deviation is known
Next Testing: Ho : u 48.7 Your sample consists of 40 values, with a sample mean of 48.8. Suppose the population standard deviation is known to be 1.89. a) Calculate the value of the test statistic, rounded to 2 decimal places. b) At a = 0.08, the rejection region is Oz > 1.41 Oz > 1.75 Oz 1.75 Oz 1.41 Oz
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