Intro to Data Analysis

Which of the following best measures the average distance that a data value lies away from the mean?

• mean

• standard deviation

• median

• range

Which measure of central tendency is most affected by outliers?

• mean

• median

• mode

A storeowner kept a tally of the sizes of suits purchased in her store. Which measure of central tendency should the storeowner use to describe the average suit sold?

• mean

• median

• mode

The number that is found by organizing data from least to greatest and crossing out a number until you find the middle.

• Mean

• Median

• Mode

The number that is found by adding all the data points together and dividing by the total number of data points.

• Mean

• Median

• Mode

The number that appears the most frequently in a set of data.

• Mean

• Median

• Mode

What is this data display?

• Dot Plot

• Frequency Distribution

• Distribution Curve

• Box and Whisker Plot

What is this data display?

• Dot Plot

• Frequency Distribution

• Distribution Curve

• Box and Whisker Plot

What is this data display?

• Dot Plot

• Frequency Distribution

• Distribution Curve

• Box and Whisker Plot

A data display formed by a box with lines coming out of the sides. Clearly shows the minimum, median, and maximum.

• Dot Plot

• Frequency Distribution

• Distribution Curve

• Box and Whisker Plot