Dot Plots and Histograms SWBAT REPRESENT DATA USING DOT PLOTS AND HISTOGRAMS. SWBAT ANALYZE AND INTERPRET DATA ON A DOT PLOT AND HISTOGRAM BY FINDING MEAN,

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Presentation transcript:

Dot Plots and Histograms SWBAT REPRESENT DATA USING DOT PLOTS AND HISTOGRAMS. SWBAT ANALYZE AND INTERPRET DATA ON A DOT PLOT AND HISTOGRAM BY FINDING MEAN, MEDIAN, MODE, AND RANGE.

Do Now

Finish/Review Worksheet

Dot Plots A dot plot shows each item of numerical data above a number line. Dot plots make it easy to see gaps and clusters in a data set, as well as the spread across the axis. To make a dot plot with a data set: 1. Identify the minimum and the maximum values in the data. 2. Label the number line beginning with the minimum value. Label equal intervals until you reach the maximum value. 3. For each value in the data set, put a dot above that value on the number line. If a value occurs more than once, stack the dots.

Class example What size shoe do you wear?

Histogram A histogram is a graphical display of data using bars of different heights. It is similar to a bar graph, but it groups numbers into ranges or intervals. Note: intervals need to all be equal.

Class example What is your height in inches?

Worksheet Work with a partner to complete the worksheet.