The following display from a TI-84 Plus calculator presents the results of a hypothesis test for a
Question:
The following display from a TI-84 Plus calculator presents the results of a hypothesis test for a population mean.
a. What are the null and alternate hypotheses?
b. What is the value of the test statistic?
c. What is the P-value?
d. Do you reject H0 at the α = 0.05 level?
Transcribed Image Text:
#15 Z-Test z=2.072750901 P=.0381953363 x=15.4 n=87
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