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ryzh [129]
2 years ago
9

What value has a z-score of -0.67, if the mean is 18 and the standard deviation is 1.68?

Mathematics
1 answer:
uranmaximum [27]2 years ago
7 0
The data point is 1.6 standard deviations above the mean.
Step-by-step explanation:
Z-score
It is the number of standard deviations from the mean that a data point is. It's a measure of how many standard deviations below or above the population mean a raw score is.
A Z-score is also known as a standard score and it can be placed on a normal distribution curve.
As in this case the Z-score is +1.6, so it means the data point is 1.6 standard deviations above the mean. Hope this helps I am kinda knew to this so I hope I helped you
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