Chi Square Tests
Authored by Kelly Krapf
Mathematics
9th - 12th Grade
CCSS covered
Used 12+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the p-value is less than the significance level...
Reject Ho
Fail to reject Ho
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the p-value is greater than the significance level...
Reject Ho
Fail to reject Ho
3.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
A traffic light is installed to allow traffic from a seldom used side street to cross a 4-lane highway. Because the side street doesn’t get a lot of traffic, the light is set to provide a red light for the side street 80% of the time, yellow 5% of the time, and green 15% of the time. Out of 200 cycles of the light, what is the expected number of red lights?
(a)
4.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
A traffic light is installed to allow traffic from a seldom used side street to cross a 4-lane highway. Because the side street doesn’t get a lot of traffic, the light is set to provide a red light for the side street 80% of the time, yellow 5% of the time, and green 15% of the time. Out of 200 cycles of the light, what is the expected number of yellow lights?
(a)
5.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
A traffic light is installed to allow traffic from a seldom used side street to cross a 4-lane highway. Because the side street doesn’t get a lot of traffic, the light is set to provide a red light for the side street 80% of the time, yellow 5% of the time, and green 15% of the time. Out of 200 cycles of the light, what is the expected number of green lights?
(a)
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
How do you calculate the degrees of freedom in a Test of Independence?
Number of categories/groups - 1
(rows - 1)(columns - 1)
Ask Mrs. Krapf
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
How do you calculate the degrees of freedom in a Chi Square Goodness of Fit (GOF) test?
Number of categories/groups - 1
(rows - 1)(columns - 1)
Ask Mrs. Krapf
Tags
CCSS.HSS.MD.A.2
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