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Mathematics, 25.02.2021 22:10 arielpraczko1

Consider the standard normal curve given. A graph shows the horizontal axis numbered 20 to 40. 30 is highlighted in an orange outline. Variance = 5 and is highlighted in an orange outline. The line shows an upward trend to from 20 to 30 then a downward trend from 30 to 40.
The mean is
.

The standard deviation is
.

The data point 37 is
one standard deviation from the mean.

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