Suppose Sandra’s true heart rate (right now) is 75 bpm, but her new fitness watch tells...
Suppose Sandra’s true heart rate (right now) is 75 bpm, but her new fitness watch tells her it is 115 bpm every time it updates. These measurements are
1) Unbiased and Precise
2) Unbiased and Imprecise
3) Biased and Precise
4) Biased and Imprecise
Homework Answers
Her true heart rate is 75 bpm. Since the watch shows 115 bpm it is imprecise. Moreover, since it always shows 115 bpm it is biased.
Ans. 4) Biased and imprecise.
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Suppose Sandra’s true heart rate (right now) is 75 bpm, but her
new fitness watch tells...
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