AP Statisticseasymcq1 pt
A t interval is reported as (12.4, 17.6). The margin of error is
A.2.6
B.5.2
C.15
D.2.4
Explanation
Core Concept
Half the width: (17.6 - 12.4) / 2.
Correct Answer
A2.6
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
- hardWhich pairing of procedure and data is correct?
- mediumA two-sample t test with t = 0.1 likely gives
- hardFor the same confidence level, which has the largest critical value?
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