Histograms

Histograms & Dot Plots

By Amanda Doerfler

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How many trees are between 150 cm and 200 cm?

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How many trees are less than 150 cm?

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How many trees are less than 200 cm?

Did you Remember to Add 30 and 3, 4, or 5?

Some text here about the topic of discussion

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How many trees are larger than 300 cm?

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How many trees are between 250 cm and 300 cm?

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How many trees are larger than 250 cm?

Did you Remember to Add 60 and 11 or 12?

Some text here about the topic of discussion

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How many total trees are there?

For future calculations, lets all say there are 120 trees

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Multiple Choice

What was the median height of the trees?

• 100-150

• 150-200

• 200-250

• 250-300

• 300-350

Multiple Choice

What was the mode height of the trees?

• 100-150

• 150-200

• 200-250

• 250-300

• 300-350

Did you Remember?

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• Median is the Middle Number​

• Mode is the Number that Occurs the Most Often​

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How many people were surveyed for this data?

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Find the sum of the minutes for all people in the survey.

Did you get 225 minutes?

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0 + 0 +0 + 0 + 0 + 1 + 1​ + 2 + 2 + 2 + ...

3 + 3 + 3 + 3 + 3 + 4 + 4 + 5 + 5 + 5 + 5 + 5 ...

continue...​

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Remember the Mean is the Sum divided by the number of participants. Find the Mean

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Find the Mode.

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Find the Range.

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Find the Median.

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How many families were surveyed?

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What is the sum of the number of pets total in the survey?

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Find the Mode.

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Find the Range.

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Find the Mean.

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Find the Median.

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A kindergarten soccer team was observed, and the number of goals per player was recorded. How many players were there?

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Find the total number of goals scored this day.

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Find the Range

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Find the Mean

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Find the Mode

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Find the Median

Did you Remember?

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When there is an even number of data points, the median is the number between the two middle values.​

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The median is 3.5, because it is between 3 and 4.​

The End!