Consider the hypothesis test where the hypotheses are Ho: = 26.4 and Ha: < 26.4
Question:
a. If it is known that s = 12 , how many standard errors below µ = 26.4 is the sample mean, = 23.6 ?
b. If , would you reject Ho? Explain.
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a z nstandard errors from mean z z 236 2...View the full answer
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