MathStatisticsInferential StatisticsHypothesis testing

Confidence Intervals for the Mean

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Mary is a good statistician, she wanted to conduct research to estimate the average reading time at her university, she took a sample of 15 students and wanted the confidence level to be 90%, from the given table what is the critical $t$ value?

t table

Select one option from the list

1.761

3.733

1.376

2.624

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