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4 cards from this section. Quick, good the night before a test.
Define the term 'Chi-Square Test'.
Think about how we compare real data to theoretical models.
What is an observed frequency?
Consider what you see in your collected data.
What does the Chi-Square statistic test for?
Think about what you're comparing in the analysis!
True or False: The Goodness of Fit test is only applicable for numerical data.
Consider the types of data involved.
A researcher collected data on participant preferences for three snack types among male and female groups. Create a contingency table and apply a Chi-Square test to analyze the independence of gender and snack preference.
Remember to check degrees of freedom when finding critical values!
A dice manufacturer claims their dice are unbiased. You roll a die 60 times and get the results: 1(10), 2(8), 3(12), 4(15), 5(7), 6(8). Use the Goodness of Fit test to determine if the die is fair.
Ensure to assess if the total fits your total rolls!
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