
Chi-Squared
Quiz
•
Mathematics
•
University
•
Practice Problem
•
Medium
VT Russell
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about the X^2 distribution?
It is Symmetric around 0
It is defined by a given mean and Standard deviation
It only takes on positive values
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When finding a p-val with the Chi^2 distribution we always treat it as right tailed.
True
False
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When finding a p-val with the Chi^2 distribution we always treat it as right tailed.
(Find a X^2 table for the next question!)
True
False
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suppose you have a chi-square test statistic of 20.124 with 15 degrees of freedom. The p-value is:
less than 0.05.
between 0.05 and 0.1.
greater than 0.1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If we reject a CHi^2 test, we must follow up with which cells' contribution appear to have caused us to reject.
True
False
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Null hypothesis for a A Chi^2 Goodness of fit test is always p1=p2=...pn (equality):
True
False
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Null for a X^2 Goodness of fit test is always that the data fits the hypothesized distribution, while the alternative is that it does not
True
False
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