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Box & Whisker Plot Notes Absent 1/31-2/1

Box & Whisker Plot Notes Absent 1/31-2/1. Vocabulary for box and whisker plots. min. Lower Median Upper max. Quartile Quartile Inter Quartile. Example 1.

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Box & Whisker Plot Notes Absent 1/31-2/1

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  1. Box & Whisker PlotNotesAbsent1/31-2/1

  2. Vocabulary for box and whisker plots min. Lower Median Upper max. Quartile Quartile Inter Quartile

  3. Example 1 Mr. Halls test scores: 77, 99, 100, 67, 90, 55, 86, 78, 72, 48, 27, 88, 24, 95 60, 63, 82, 94, 82 24, 27, 78, 55, 60, 63, 67, 72, 77, 78, 82, 82, 86, 88, 90, 94, 95, 99, 100 20 30 40 50 60 70 80 90 100 24 60 78 90 100 Range: 76% Inter Quartile range: 30% • Step 1: Put test scores least to greatest. • Step 2: Make a number line with test scores. • Step 3: Put a dot at the min. and max. test score. • Step 4: Make a line at the median test score. • Step 5: Make a line at the lower and upper quartiles. Take the median of the lower half and upper half of test scores. • Step 6: make a box with the lines.

  4. Questions from example 1 • What percent of students scored higher than 78%? 50% scored higher 2. What percent of students scored higher than 60%? 75% scored higher 3.What percent of students scored lower than 60%? 25% scored lower 4. What percent of students scored higher than 90%? 25% scored higher 5. What percent of students scored lower than 90%? 75% scored lower 6. What percent of students scored 24% or higher? 100% scored higher

  5. Example 2 • Mrs. Hall’s test scores: 47, 65, 50, 56, 68, 51, 36, 63, 45, 53, 59 36, 45, 47, 50, 51, 53, 56, 59, 63, 65, 68 30 40 50 60 70 36 47 53 63 68 Range: 32 % Inter Quartile range: 16% • Step 1: Put test scores least to greatest. • Step 2: Make a number line with test scores. • Step 3: Put a dot at the min. and max. test score. • Step 4: Make a line at the median test score. • Step 5: Make a line at the lower and upper quartiles. Take the median of the lower half and upper half of test scores. • Step 6: make a box with the lines.

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