Question: We obtain a X = 46.8 (N = 15) which may represent the population where = 50 (x = 11). Using the criterion of

We obtain a X = 46.8 (N = 15) which may represent the population where µ = 50 (σx = 11). Using the criterion of .05 and the lower tail of the sampling distribution:
(a) What is our critical value?
(b) Is this sample in the region of rejection? How do you know?
(c) What should we conclude about the sample?
(d) Why?

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