If b) is true (sample belongs to a population with a mean different than 82), what type of error are we making by not rejecting the null hypothesis in a)?

Group of answer choices

A)Error type II

B) Error type I

C) Standard error

D) Margin of error

E) Statistical error

F) More information is needed to tell.

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In the context of hypothesis testing and the scope of this course, the confidence interval method can be used in these situation(s) (mark all that apply):

Group of answer choices

A) 1 tailed test about means with sigma known.

B) 1 tailed test about variances.

C) 1 tailed test about proportions.

D) 2 tailed test about proportions.

E) 2 tailed test about means with sigma unknown.

F) 2 tailed test about means with sigma known.

G) 2 tailed test about variances.

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You are a cute null hypothesis (H₀) who looks after its own interests. A researcher appears to disturb your peace and test your veracity. Would you prefer the researcher to run a two-tailed or one-tailed test on you? Justify your answer briefly.

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Why are we not using the P-value method for t-tests and Chi-square tests in this course? Answer very concisely, as the answer is indeed very specific.