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Interpreting Statistics

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Presentation on theme: "Interpreting Statistics"— Presentation transcript:

1 Interpreting Statistics
LG: I can evaluate the reliability of data based on its source and assess the validity of conclusions presented in the media

2 Data Reliability When trying to evaluate the reliability of data, it is important to consider the source. Data supplied by people or companies who have a vested interest in the topic, may provide biased information

3 Consider the Following…
Automobile safety information provided by: Canadian Government Vs. Mazda Which data source do you feel would be more trustworthy? Why?

4 Polls and Margin of Error
A Poll is an interview with randomly selected people to determine their opinion about a particular topic. Poll results usually include a margin of error based on the reliability of the data collected.

5 What are some sources of statistics?
What types of statistics are reported in the media? Can you think of any recent advertisements or media announcements involving statistics?

6 Statistics in the Media
In groups of 4-6 students you will read an article When you are done reading, complete the worksheet: Media and Statistics – Use or Misuse As a group, use chart paper to summarize the findings of your article. If there is time, each group will present to the class.


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