The following TI-84 Plus calculator display presents the results of a hypothesis test for the difference between
Question:
The following TI-84 Plus calculator display presents the results of a hypothesis test for the difference between two means. The sample sizes are n1 = 12 and n2 = 15.
a. Is this a left-tailed test, a right-tailed test, or a two-tailed test?
b. How many degrees of freedom did the calculator use?
c. What is the P-value?
d. Can you reject H0 at the α = 0.05 level?
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