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True Or False: If it is important to avoid accepting a false Null Hypothesis, we should...

True Or False: If it is important to avoid accepting a false Null Hypothesis, we should minimize the Probability of making a Type II Error (β).

A. True B. False

12.For a t-distribution with 11 degrees of freedom, find the 10th percentile t0.10.

A.1.372 B. 1.280 C. 1.363 D. 2.718 E. None of these

A.1.372 B. 1.280 C. 1.363 D. 2.718 E. None of these

Math   Statistics-And-Probability   
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Answer #1

Here' the answer to the question. Please let me know in case you've doubts.

1.  Failure to reject a false null hypothesis as the result of a test procedure is called a type II (Beta) error.

Hence,  to avoid accepting a false Null Hypothesis we should minimize the probability of making a Type II Error.

Answer: TRUE

2. To calculate for df = 11, the t-statistic for 10th percentile lets refer to the t-table. Alternativly use the excel formula: =T.INV(0.1,11)

This should give us : - 1.363

Answer: E. None of these ( as answer is -1.363. Note the negative sign, hence, C is NOT Correct)

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