A Typical Math Student.

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Presentation transcript:

A Typical Math Student

About the Class Class: Eighth Grade Algebra Students: Boys and Girls, 13- 14 years old Number of Students: 26 We measured Height Hand Span Wrist Circumference

Measures of Center Mean: The average. Add all data points, then divide by the number of data points. Median: The middle data point in an ordered list. Mode: The data value that occurs the most.

Class Heights Mean = 171 cm Median = 172.9 cm Mode = 160 cm The middle 50% of the class has heights between 160 cm - 178 cm.

Height

Class Hand Spans Mean = 20.6 cm Median = 20 cm Mode = 20 cm The middle 50% of the class has hand spans between 19 cm - 22.5 cm.

Hand Span

Class Wrist Circumferences Mean = 16.6 cm Median = 16.25 cm Mode = 15 cm The middle 50% of the class has wrist circumferences between 15 cm - 17.5 cm.

Wrist Circumference

Summary The typical math student has: A Height = 171 cm A Hand Span = 20.6 cm A Wrist Circumference = 16.6 cm