Descriptive Statistics: Numerical Measures

The mean of the sample

The mean of a sample

Refer to Exhibit 3-3. The variance is

Refer to Exhibit 3-3. The standard deviation is

Refer to Exhibit 3-3. The coefficient of variation is

Refer to Exhibit 3-3. The range is

Refer to Exhibit 3-3. The interquartile range is

Refer to Exhibit 3-4. The mean is

Refer to Exhibit 3-4. The variance is

Refer to Exhibit 3-4. The standard deviation is