What does a z-score of exactly zero tell you about a value?
AIt equals the range
BIt equals the mean
CIt equals the count
DIt equals the total
Answer & Solution
Correct answer: B. It equals the mean
1. A z-score measures the gap between a value and the mean.
2. A z-score of zero means that gap is zero.
3. So the value sits exactly at the mean, neither above it nor below it.
_Source: OpenStax High School Statistics (CC BY 4.0), section 6.1 The Standard Normal Distribution_
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