Measures of Center

Part I

Define the following terms:

Median

______________________________________________________________________

Mode

______________________________________________________________________

Data

______________________________________________________________________

Mean

______________________________________________________________________

Statistics

______________________________________________________________________

Measure of center

______________________________________________________________________

Part II

Given the following data, find the mean, median, and mode: Horsepower of the 10 production cars of a company:

49, 55, 55, 70, 53, 70, 55, 92, 73, 66

Mean ________ Median ________ Mode ________

Part III

Which measure best describes this data set? Explain your choice.

______________________________________________________________________

You are the president of the automobile company who owns the 10 models. You need to show your stockholders that your cars get the best gas mileage in comparison to other companies. Which measure of center best describes this data to make the stockholders happy? Explain your choice.

______________________________________________________________________

Identify the advantage of using each measure of center

mean______________________________________________________________________

__________________________________________________________________________

median____________________________________________________________________

__________________________________________________________________________

mode______________________________________________________________________

__________________________________________________________________________