The Shape of a Distribution
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The Shape of a Distribution
Shape of a distribution worksheet for Grades 6 and 7: two dot plots to call symmetrical, skewed right, skewed left, or two-peaked and find the range of, where the tail is in positive and in negative skew, and a question on outliers. With an answer key.
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Teach it first
The Shape of a DistributionA teaching handout to hand out before this sheet: the rule, worked examples and common mistakes.- Pages
- 1
- Last updated
- Time
- About 15 minutes
- Answer key
- Included
- Goes with
- Dot Plots
- Printing
- Black and white
- Related curriculum
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Find the mean, median, mode and range of a data set, the quartiles and interquartile range, and the mean absolute deviation, and read and make dot plots, histograms and box plots.
Reviewed by Mr. Daniel Carter, Teacher. How we check worksheets
How to use this sheet
- Have the child put the data in order from least to greatest first, for every question.
- Write each measure with its label, so mean, median and mode are not mixed up.
- Ask which measure best describes the data, and why, when there is an outlier.
Common mistakes
- Finding the median without putting the data in order first.
- For an even number of values, choosing one of the two middle values instead of the mean of both.
- Mixing up the mean and the median.
- Thinking the mode is the biggest value. It is the value that appears most often.
