12 – 4 Box & Whisker Plots

12 – 4 Box & Whisker Plots

12 – 4 Box & Whisker Plots

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Presentation Transcript

1. 12 – 4 Box & Whisker Plots Objective; Make and interpret box& whisker plots and find quartiles and percentiles

2. Quartiles are values that divide a data set into four parts. • Median (Second Quartile) separates the upper and lower halves. • The first quartile is the median of lower half of data. • The third quartile is median of upper half of data. 12 – 4 Box & Whisker Plots

3. Quartiles are values that divide a data set into four parts. • Median (Second Quartile) separates the upper and lower halves. • The first quartile is the median of lower half of data. • The third quartile is median of upper half of data. • The interquartile range is the difference between the third and first quartiles 12 – 4 Box & Whisker Plots

4. Put data in order. • 2 4 5 6 9 11 12 13 21 25 12 – 4 Box & Whisker Plots

5. Put data in order. • 2 4 5 6 9 11 12 13 21 25 12 – 4 Box & Whisker Plots

6. Homework p. 750 9 – 13 odds