Mathematics, 30.03.2021 14:00, jamaiciaw6

Given that Z 20 = -2 and 250 = -1, which of the following do you know? The variance is 10.
The standard deviation is 30.
The mean is 80.
The median is 40.
The data point x = 20 is 2 standard deviations from the mean.
The data point x = 50 is 1 standard deviation from the mean.
The data point x = 45 has a z-value of 1.5.

Answers: 2

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Given that Z 20 = -2 and 250 = -1, which of the following do you know? The variance is 10.
Th...