AP Statisticsmediummcq1 pt
Which condition is NOT required for a one-sample t interval?
A.known population σ
B.random sample
C.approximately normal population or large n
D.10 percent condition for independence
Explanation
Core Concept
t exists precisely because σ is unknown.
Correct Answer
Aknown population σ
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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