Standardized test of reading achievement

Reference no: EM131864920

The national norm for third graders on a standardized test of reading achievement is a 1. mean score of 27 σ 4. Rachel determines the mean score on this test for a random sample of third graders from her school district.

(a) Phrase a question about her population mean that could be answered by testing a hypothesis.

(b) Phrase a question for which an estimation approach would be appropriate.

Reference no: EM131864920

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