Mathematics, 23.07.2020 14:01 caseychandler030418
One stats class consists of 52 women and 28 men. Assume the average exam score on Exam 1 was 74 (σ = 10.43; assume the whole class is a population). A random sample of 16 students yielded an average of a 75 on the first exam (s=16). What is the z-score of the sample mean? Is this sample significantly different from the population? (Hint: Use the z-score formula for locating a sample mean)
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One stats class consists of 52 women and 28 men. Assume the average exam score on Exam 1 was 74 (σ =...
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