Question: 46. For four means. a multiple comparison method provides simultaneous 95% confidence intervals for the differences between the six pairs. Then a) For each confidence

46. For four means. a multiple comparison method provides simultaneous 95% confidence intervals for the differences between the six pairs. Then

a) For each confidence interval. there is a .95 chance that it contains the truc difference.

b) The probability that all six confidence intervals are correct is .70.

c) The probability that all six confidence intervals are correct is .95

d) The probability that all six confidence intervals are correct is (.95)6.

e) The probability is .05 that at least one confidence interval does not contain the truc dif- ference.

f) The confidence intervals are wider than separate 95% confidence intervals for each dif- ference.

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