## Handout 1: Histograms and frequency polygons for samples of heights of 15-years-olds

A downloadable version of this activity is available in the following format: (RTF format, PDF format) 1. Original data 2. Sample means n = 5 3. Sample means n = 20

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## Investigating sampling Part 1: Variations in samples Student worksheet

A downloadable version of this activity is available in the following format: (RTF format, PDF format) We often want to find out something about an entire population, but are unable to collect information about the whole population. We need to rely … Continue reading

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## Canada recycles! Do you? Intermediate Worksheet Gr 7-8

Downloadable versions of this activity are available in the following formats: (RTF, PDF) From 1994 to 2006, the percentage of households in Canada who recycled or did other things to save energy and save our planet increased by about 25%1. Examine … Continue reading

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## How many people live in a Canadian household? – Teachers notes

Downloadable versions of this activity are available in the following formats: (RTF, PDF) Teacher’s notes Have your students use a computer spreadsheet to do the calculations for this activity. Other activities: Have your students debate which is the best measure—mean, median … Continue reading

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## Survey says? Who says?- Teachers Notes

Downloadable versions of this activity are available in the following formats: (RTF format, PDF format) Teacher’s notes Answers: Statement 1 – True: the data can support this. Statement 2 – False: the data were collected for 12-year-old students, both boys and girls together, … Continue reading

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## Circle and bar graphs – Teachers notes

Downloadable versions of this activity are available in the following formats: (RTF format, PDF format) Teacher’s notes Main focus Students examine data from a variety of sources, use the data to construct different types of graphs, then interpret the graphs that … Continue reading

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## Make a graph of your Census at School data—Teacher’s notes

Tally chart and bar graph Students will require a copy of the Census at School survey results for their class in order to complete this lesson. You will need to download the results into a spreadsheet program and allow the students to view … Continue reading

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