Exam 3: Numerical Descriptive Measures

The geometric mean is useful in measuring the rate of change of a variable over time.

In exploratory data analysis, a boxplot can be used to illustrate the median, quartiles, and extreme values.

SCENARIO 3-3 The ordered array below represents the number of vitamin supplements sold by a health food store in a sample of 16 days. $19,19,20,20,22,23,25,26,27,30,33,34,35,36,38,41$ Note: For this sample, the sum of the values is 448, and the sum of the squared differences between each value and the mean is 812. -Referring to Scenario 3-3, the median number of vitamin supplements sold in this sample is_.