PRC-2 · Chapter 11 · Question 23 of 60
If a z-score is calculated to be +2.0, what does this mathematically imply about that specific data point?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: C) The point is exactly two standard deviations above the mean.
Explanation
The z-score measures how many standard deviations a raw data point is located away from the mean. A positive 2.0 indicates it is two standard deviations above it.
More Probability Concepts MCQs
- Q25The total area located beneath the curve of any valid continuous probability density function (like the normal curve) is always:
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- Q28If a dataset has a mean of 50 and a standard deviation of 5, what is the z-score for a data value of 40?
- Q29In a Poison Distribution, if the average number of events per hour (λ) is 4, what is the variance of the distribution?