Unit 8: Chi Square Review
Authored by Jen Cincotta
Mathematics
9th - 12th Grade
CCSS covered
Used 35+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A chi-square test is used to analyze
the difference in proportions.
The difference between the means of two independent groups.
The distribution of a categorical variable.
The standard deviation of a sample.
Tags
CCSS.HSS.ID.B.5
CCSS.HSS.CP.A.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements is NOT true about the chi-square statistic?
It is calculated by summing the squared deviations between observed and expected counts, divided by the expected counts.
A larger chi-square value indicates a stronger association between the variables.
The chi-square distribution has a minimum value of zero.
The degrees of freedom for a chi-square test depend on the number of categories in each variable.
Tags
CCSS.HSS.CP.A.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a chi-square goodness of fit test, the null hypothesis states that
The observed and expected frequencies are significantly different.
There is a linear relationship between the two variables.
The proportions of the population fall into specific categories.
The observed data matches the expected distribution.
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the appropriate test to use with this data?
Chi Square GOF
Chi Square Homogeneity
Chi Square Independence
Chi Square Heterogeneity
Tags
CCSS.6.SP.B.5D
CCSS.HSS.ID.A.2
5.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Chi-squared GOF test is not appropriate if:
(choose all that apply)
The calculated number is really large
One of the expected values is less than 5
One of the observed values is less than 5
The degrees of freedom = 1
6.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Tags
CCSS.HSS.ID.B.5
CCSS.HSS.CP.A.4
CCSS.HSS.IC.A.1
CCSS.HSS.IC.B.3
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The degrees of freedom for the chi-square test for this two-way table are
4
8
10
20
4876
Tags
CCSS.HSS.ID.B.5
CCSS.HSS.CP.A.4
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