# Percentage values- Descriptive Statistics

Document Sample

```					              Sub: Statistics                                                             Topic: Descriptive Statistics
Question:

To find the percentage of the values between two values using Chebyshev's
theorem and Empirical rule.
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a) Use Chebyshev’s theorem to find what percent of the values will fall between 120 and
150 for a data set with mean of 135 and standard deviation of 7.5.

b) Use the Empirical Rule to find what two values 95% of the data will fall between for a
data set with mean 234 and standard deviation of 12.
Solution:

The information given in the problem can be represented with the following notations:

X1 = 120 and X2 = 150

Mean: µ = 1
```
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 views: 59 posted: 3/5/2010 language: English pages: 2
Description: Find the percentage of the values between two values
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