Chi-Squared

Chi-Squared

University

11 Qs

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Chi-Squared

Chi-Squared

Assessment

Quiz

Mathematics

University

Practice Problem

Medium

Created by

VT Russell

Used 9+ times

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11 questions

Show all answers

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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