AP Statisticsmediummcq1 pt
A test computes t = 2.3 with df = 15, giving a small p-value. The interpretation is
A.the sample mean is significantly far from mu0
B.the sample mean equals mu0
C.the test is invalid
D.σ must be known
Explanation
Core Concept
Large t indicates real difference.
Correct Answer
Athe sample mean is significantly far from mu0
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