Mathematics, 22.04.2020 20:18 sketchers

The national average on a reading test is 72. The average for a sample of 80 students in a certain geographical region who took the exam is 70. Is the average test score for students in this region statistically different from the national average? Find the P-value for the test. Assume a population standard deviation of 13.

A) 0.0419

B) 0.0210

C) 0.3352

D) 0.1676

E) 0.0838

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