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To perform a Chi-squared test you need to ensure that the data are grouped into expected categories so that the expected frequencies in all of the classes are 5 or more.
How might this grouping be made to increase or decrease the final test statistic?
You will need to use tables to determine the significance of the final answer.
Chi-squared Faker
Age 16 to 18
Challenge Level 
To perform a Chi-squared test you need to ensure that the data are grouped into expected categories so that the expected frequencies in all of the classes are 5 or more.
How might this grouping be made to increase or decrease the final test statistic?
You will need to use tables to determine the significance of the final answer.
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