Given that z20 = –2 and z50= – 1, which of the following do you know?
2 answers:
Answer:
it is 2;3;5;6
Step-by-step explanation:
Given that z20 = –2 and z 50= –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.
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Answers: #2, 3, 5, 6 are correct
... believe me, I juss did them.
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