AP Statisticseasymcq1 pt
Increasing sample size makes a t interval
A.narrower
B.wider
C.unchanged
D.more biased
Explanation
Core Concept
Bigger n shrinks the standard error.
Correct Answer
Anarrower
More Unit 7: Inference for Quantitative Data: Means practice questions
- mediumA test computes t = 2.3 with df = 15, giving a small p-value. The interpretation is
- easyA one-sample t interval's conditions include
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