Objective - To choose a reasonable scale for a graph.

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Presentation transcript:

Objective - To choose a reasonable scale for a graph. Heights of Children Name Age (yrs.) Height (in.) Adam 2 30” Ben 4 37” Carol 5 43” Dan 6 40” Ellie 9 56”

Bar graph of students heights and ages. 70 60 50 40 30 20 10 Height A B C D E Names Scale- is the series of numbers starting at 0 placed at a fixed distance on the graph.

Bar graph of students heights and ages. 70 60 50 40 30 20 10 Height A B C D E Names Interval- is the difference between one number and the next on the scale. The interval on this graph is 10.

Choose 5, 10, 20, 50 or 100 as the most reasonable interval for the data. 10 5 50 100

Choose the most reasonable scale for the data. Cookie Sale A. 40 30 20 10 B. 60 40 20 10 4 35 3 25 2 15 1 Number Sold Week

Choose the most reasonable scale for the data. Quiz Scores A. 40 30 20 10 B. 20 15 10 5 18 4 7 3 5 2 15 1 Score Quiz