Chi Squared
Quiz
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Medium
+4
Standards-aligned
Brian Quigley
Used 2+ times
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the expected value of a female who likes Pepsi?
10.5
11
14.5
6.3
Tags
CCSS.HSS.MD.A.2
CCSS.HSS.MD.A.3
CCSS.HSS.MD.B.5
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the null hypothesis?
Injury type is independent of position played
Injury type is dependent on the position played independent
Injury type is correlated to position played.
Tags
CCSS.HSS.CP.A.2
CCSS.HSS.CP.A.3
CCSS.HSS.CP.A.4
CCSS.HSS.ID.B.5
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What are the degrees of freedom for the following χ² test?
6
2
5
12
Tags
CCSS.HSS.CP.A.4
CCSS.HSS.ID.B.5
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
If we are testing at a 5% significance level and our p-value is 0.00453, what is the conclusion?
Accept Ho
Reject Ho
We need to know chi-squared
You cannot do this problem without a calculator
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Find the chi-squared calculated value for the table.
0.486170447
1.442392006
1.45
2
Tags
CCSS.HSS.CP.A.4
CCSS.HSS.ID.B.5
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Chi-squared tests are invalid if:
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 calculated numbers is really small
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the expected value for all cells, if we assume that this is a fair six sided die?
Tags
CCSS.HSS.MD.A.2
CCSS.HSS.MD.A.3
CCSS.HSS.MD.B.5
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