Question 1

What is wrong with the presentation of this chi square result? χ2 (3) = 10.25, p < .025

Accepted Answer

A)   The df should be after the calculated value
B)   The N are not given
C)   The χ2 value should be after the p value
D)   The p value should be given after the df B

Question 2

You run a 3 x 4 chi square test of association. You have noticed that the expected frequencies are less than 5 in three of the cells. What percentage of the cells does this represent, and would you expect this analysis to be robust?

Accepted Answer

A)   25%, robust
B)   25%, not robust
C)   15%, robust
D)   15%, not robust B

Question 3

You have calculated a chi square goodness of fit where there are four categories. What are the degrees of freedom?

Accepted Answer

A)   1
B)   2
C)   3
D)   4 C

Question 4

Once you have calculated a residual value, what is the next computation you need to perform on that value?

Accepted Answer

A)   Square it
B)   Square root
C)   Divide it by the expected value
D)   Add it to the observed value

Question 5

You ask 200 people which type of novel they prefer to read: crime, romance, science fiction, or historical. What would your expected frequencies be for each category?

Accepted Answer

A)   25
B)   50
C)   100
D)   4

Question 6

When calculating a chi square goodness of fit, within one cell the observed value is 12 and the expected value is 3. What would the residual value be?

Accepted Answer

A)   15
B)   12
C)   9
D)   4

Question 7

In the eye gaze test of association example, which cell has the highest (O - E)2 / E value?

Accepted Answer

A)   Away from target, stimuli detected
B)   Away from target, stimuli not detected
C)   Towards target, stimuli detected
D)   Towards target, stimuli not detected

Question 8

You ask 200 people whether they would prefer which type of novel they prefer to read (crime, romance, science fiction or historical). You also ask them whether they own a television or not. How would you describe the suitable method of analysis?

Accepted Answer

A)   6 x 1 chi square test of association
B)   6 x 1 chi square goodness of fit
C)   4 x 2 chi square test of association
D)   4 x 2 chi square goodness of fit

Question 9

You ask 200 people which type of novel they prefer to read (crime, romance, science fiction or historical) and whether they own a television or not. How many degrees of freedom would you have?

Accepted Answer

A)   3
B)   8
C)   4
D)   6

Question 10

You have calculated a chi square goodness of fit where you have 5 degrees of freedom. What is the critical value when α = .001?

Accepted Answer

A)   12.833
B)   15.086
C)   16.750
D)   20.515

Question 11

You have run a chi square test of association where the df has been calculated as 8. You know that you have five categories in one of your variables. How many categories are in the other variable?

Accepted Answer

A)   2
B)   3
C)   4
D)   5

Question 12

In the eye gaze test of association example, what is the grand total that is used to calculate the expected frequencies?

Accepted Answer

A)   60
B)   25
C)   35
D)   20

Question 13

In the eye gaze example, what is the calculated χ2 statistic for the goodness of fit analysis?

Accepted Answer

A)   4.2667
B)   2.1333
C)   30
D)   8

Question 14

In the eye gaze example, what is the calculated χ2 statistic for the test of association analysis?

Accepted Answer

A)   0.053
B)   1.614
C)   1.153
D)   6.720

Question 15

In the eye gaze goodness of fit example, what is the critical value when α = .050?

Accepted Answer

A)   5.991
B)   5.024
C)   7.378
D)   3.841

Exam 14: Do My Data Fit the Expected Frequencies Chi Square

What is wrong with the presentation of this chi square result? χ² (3) = 10.25, p < .025

You run a 3 x 4 chi square test of association. You have noticed that the expected frequencies are less than 5 in three of the cells. What percentage of the cells does this represent, and would you expect this analysis to be robust?

You have calculated a chi square goodness of fit where there are four categories. What are the degrees of freedom?

Once you have calculated a residual value, what is the next computation you need to perform on that value?

You ask 200 people which type of novel they prefer to read: crime, romance, science fiction, or historical. What would your expected frequencies be for each category?

When calculating a chi square goodness of fit, within one cell the observed value is 12 and the expected value is 3. What would the residual value be?

In the eye gaze test of association example, which cell has the highest (O - E) ² / E value?

You ask 200 people whether they would prefer which type of novel they prefer to read (crime, romance, science fiction or historical) . You also ask them whether they own a television or not. How would you describe the suitable method of analysis?

You ask 200 people which type of novel they prefer to read (crime, romance, science fiction or historical) and whether they own a television or not. How many degrees of freedom would you have?

You have calculated a chi square goodness of fit where you have 5 degrees of freedom. What is the critical value when α = .001?

You have run a chi square test of association where the df has been calculated as 8. You know that you have five categories in one of your variables. How many categories are in the other variable?

In the eye gaze test of association example, what is the grand total that is used to calculate the expected frequencies?

In the eye gaze example, what is the calculated χ² statistic for the goodness of fit analysis?

In the eye gaze example, what is the calculated χ² statistic for the test of association analysis?

In the eye gaze goodness of fit example, what is the critical value when α = .050?

Exam 14: Do My Data Fit the Expected Frequencies Chi Square

What is wrong with the presentation of this chi square result? χ2 (3) = 10.25, p < .025

You run a 3 x 4 chi square test of association. You have noticed that the expected frequencies are less than 5 in three of the cells. What percentage of the cells does this represent, and would you expect this analysis to be robust?

You have calculated a chi square goodness of fit where there are four categories. What are the degrees of freedom?

Once you have calculated a residual value, what is the next computation you need to perform on that value?

You ask 200 people which type of novel they prefer to read: crime, romance, science fiction, or historical. What would your expected frequencies be for each category?

When calculating a chi square goodness of fit, within one cell the observed value is 12 and the expected value is 3. What would the residual value be?

In the eye gaze test of association example, which cell has the highest (O - E) 2 / E value?

You ask 200 people whether they would prefer which type of novel they prefer to read (crime, romance, science fiction or historical) . You also ask them whether they own a television or not. How would you describe the suitable method of analysis?

You ask 200 people which type of novel they prefer to read (crime, romance, science fiction or historical) and whether they own a television or not. How many degrees of freedom would you have?

You have calculated a chi square goodness of fit where you have 5 degrees of freedom. What is the critical value when α = .001?

You have run a chi square test of association where the df has been calculated as 8. You know that you have five categories in one of your variables. How many categories are in the other variable?

In the eye gaze test of association example, what is the grand total that is used to calculate the expected frequencies?

In the eye gaze example, what is the calculated χ2 statistic for the goodness of fit analysis?

In the eye gaze example, what is the calculated χ2 statistic for the test of association analysis?

In the eye gaze goodness of fit example, what is the critical value when α = .050?

What is wrong with the presentation of this chi square result? χ² (3) = 10.25, p < .025

In the eye gaze test of association example, which cell has the highest (O - E) ² / E value?

In the eye gaze example, what is the calculated χ² statistic for the goodness of fit analysis?

In the eye gaze example, what is the calculated χ² statistic for the test of association analysis?