This activity was developed by a student or students at Mainland High School which is located in Daytona Beach, FL.   It is still a "work in progress" with editing and improvements yet to come.

Measures of Central Tendency

Using the Data Collection Survey we will select one student from each group and arrange them in order from shortest to tallest at the front of the room. If several people are the same height, they are to stand in front of each other.

9. Which student is in the middle? This height represents the median.

10. Are there several people the same height? If so, what is the height? The most frequent measure represents the mode.

11. What is the least and greatest heights? Subtract these two heights and give your answer.       This answer is called the range.

12. Add the students' heights that are standing and divide by the number that are standing . Round to the nearest tenth. This number is called the mean.

13. Using the Frequency tables you did in number 3, complete the table below for each of the four categories.

	Arm Span	Height	Wrist	Neck
Number
Least
Greatest
Range
Median
Mode
Mean

           

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