In reviewing product materials, which reported precision confidence interval (CI) would make the nurse researcher interested in purchasing the product?
a. CI of 2-100 mm
b. CI of 15-75 mm
c. CI of 25-75 mm
d. CI of 2-5 mm
ANS: D
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A CI at this range would not be precise.
B CI at this range would not be precise.
C CI at this range would not be precise.
D The most precise CI is the smallest range.
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