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