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1. In hypothesis testing, Type I error is A) always equal to 5percent. B) always

ID: 2951940 • Letter: 1

Question

1. In hypothesis testing, Type I error is

A) always equal to 5percent.

B) always smaller or equal to 5percent.

C) the probability of rejectingH0 when H0 is true.

D) the probability of rejectingH0 when H1 is true.

2. In hypothesis testing, Type II error is

A) equal to 1 - probability of committing Type Ierror.

B) equal to 5 percent ormore.

C) the probability to acceptH0 when H0 is true.

D) the probability to acceptH0 when H1 is true.

3. The probability of Type I error, a, andthe probability of Type II error, b, are relatedas follows

A) b >a

B) b <a

C) a +b = 1

D) None of the above.

4. For a given sample size, when we increase theprobability of Type I error, the probability of a Type IIerror

A) remains unchanged.

B) increases.

C) decreases.

D) is impossible to determinewithout knowing the distribution.

Explanation / Answer

None of the above. Answer is (d)