## Question

# 1- The mean of a distribution is 20 and the standard deviation is 2. Answer each using the Chebyshev theorem. (a) What percentage will fall

1- The mean of a distribution is 20 and the standard deviation is 2. Answer each using the

Chebyshev theorem.

(a) What percentage will fall between 10 and 30?

(b) Find the range for which 75% if the data lies

2- The mean of a distribution is 50 and the standard deviation is 5. Answer each of the following using the Empirical Rule.

(a) What % of the data falls between 45 and 55

(b) What % of the data falls between 35 and 65

3- Check each data set for outliers (if there are any): Remember to show all steps.

(a) 16, 18, 22, 19, 3, 21, 17, 20

(b) 24,32,54,31,16,18,19,14,17,20,

(c) 321,343,350,327,200

** **

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