Chi squared

Question 1

what are the 3 justifications for using Chi Squared

Answer 1

• unrelated design (independent groups)
• testing for a difference or a correlation
• nominal data

Question 2

what 2 things can chi squared test for

Answer 2

testing for a difference

or

testing for a correlation

Question 3

what is the calculate value sign for chi squared

Answer 3

X squared

Question 4

what is the equation to calculate degrees of freedom in chi squared test

Answer 4

df = (number of rows - 1) x (number of columns - 1)

Question 5

what type of table is needed for the chi squared test

Answer 5

contingency table