CFA Practice Question

There are 434 practice questions for this study session.

CFA Practice Question

For the hypothesis test below, a Type I error could have been made. A correct explanation of the error would involve ______.

A. concluding that 70% or less of adults feel that vitamin supplements can prevent illness when in fact more than 70% feel that vitamin supplements can prevent illness.
B. going along with the conclusion that more than 70% of adults feel that vitamin supplements can prevent illness when in fact 70% or less feel that vitamin supplements can prevent illness.
C. concluding that more than 70% of adults feel that vitamin supplements can prevent illness when in fact 70% or less feel that vitamin supplements can prevent illness.
Explanation: Because the decision was to reject H0, a Type I error - rejecting H0 when H0 is in fact true - could have been made.

User Contributed Comments 4

User Comment
danlan Reject H0 while it is true.
dimanyc can someone once a for all explain clearly the diff-ce between "going along" and "concluding"? i keep making the same mistake! thx!!!
tabulator "Going along" - Type II error
"Concluding" - Type I error
homersimpson Why sometimes we calculate the confidence interval by multiplying the standard deviation, while sometimes the standard error?
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