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  1. AP Statistics
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Chiโ€“Squares

Question 1
1 mark
college-boardStatisticsAPExam Style
1 mark

A market analyst is using a chi-square goodness-of-fit test to evaluate if the observed sales frequencies over four seasons deviate from the expected equal distribution, given that the total sales number was 800 units; what is the correct c...

Question 2
1 mark
college-boardStatisticsAPExam Style
1 mark

Why do category counts need to be whole numbers when performing a Chi-Square Goodness of Fit test?

Question 3
1 mark
college-boardStatisticsAPExam Style
1 mark

Which condition must be met to perform a Chi-Square Goodness of Fit test?

Question 4
1 mark
college-boardStatisticsAPExam Style
1 mark

In setting up your chi-square goodness-of-fit test table, what should be included in the first row?

Question 5
1 mark
college-boardStatisticsAPExam Style
1 mark

How many categories must be present for a valid application of the Chi-Square Goodness of Fit test?

Question 6
1 mark
college-boardStatisticsAPExam Style
1 mark

What is the purpose of a Chi-Square Goodness of Fit test in statistics?

Question 7
1 mark
college-boardStatisticsAPExam Style
1 mark

For a chi square test with a sample size of 35, how large must the population be in order to satisfy the 10% rule?

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Question 8
1 mark
college-boardStatisticsAPExam Style
1 mark

Which of the following is a method of sampling that involves selecting individuals such that each member of the population has an equal chance to be chosen?

Question 9
1 mark
college-boardStatisticsAPExam Style
1 mark

Which of the following conditions are necessary for a Chi square goodness of fit test?

Question 10
1 mark
college-boardStatisticsAPExam Style
1 mark

When setting up your hypotheses for a goodness-of-fit test, what does the null hypothesis usually state?