Q135 · Practice questionTechnology-activeSimple familiar1 mark
QUESTION 135
If sample size is multiplied by , confidence-interval width is approximately
(A)
unchanged
(B)
one sixteenth
(C)
halved
(D)
quartered
WORKED SOLUTION
1 markAnswer D
ANSWER
D. quartered
Worked solution
Width is proportional to .
Selects the correct option.
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