What is the condition for expected counts to be valid in a Chi-Square test?

Module 12 Practice Questions (2)

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Mathematics
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University
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
All expected counts are at least 5.
2.
FLASHCARD QUESTION
Front
What conclusion can be drawn if the p-value is greater than the significance level of 0.05?
Back
The data does not provide enough evidence to conclude the two variables are related.
3.
FLASHCARD QUESTION
Front
How is the Chi-Square test statistic calculated?
Back
It is calculated using the observed and expected counts.
4.
FLASHCARD QUESTION
Front
Given an observed count of 60 and an expected count of 50, what is the contribution to the Chi-Square test statistic?
Back
2.00
5.
FLASHCARD QUESTION
Front
What is the null hypothesis in a study examining the relationship between gender and ear piercing?
Back
There is no relationship between gender and ear piercing.
6.
FLASHCARD QUESTION
Front
What is the alternative hypothesis in a study examining the relationship between gender and ear piercing?
Back
There is a relationship between gender and ear piercing.
7.
FLASHCARD QUESTION
Front
What is a Chi-Square test used for?
Back
To determine if there is a significant association between two categorical variables.
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