Analysis Techniques

Question 1

T-test

Answer 1

One sample: value of metric variable
Paired Sample: difference in 2 metric variables
Independent sample: difference in 1 metric variable for two seperate groups

Question 2

ANOVA

Answer 2

Difference in metric variables between 3 or more groups

Question 3

Chi-Square

Answer 3

Relationship between two nonmetric

Question 4

Regression

Answer 4

Effect of metric and non metric independent variables on metric dependent variable

Question 5

Why do we use a paired sample t-test

Answer 5

To compare the mean of two metric variables

Question 6

Why do we use a chi-square analysis

Answer 6

To look at the association of two nonmetric variables 1 and 2

Question 7

Interpreting output

Answer 7

If significance is >0.5 no significant different STOP

If <0.05 significant difference then interpret

Question 8

Inter One sample t test

Answer 8

average is difference from test value

Question 9

Inter Paired- sample t-test

Answer 9

Average for one variable is higher than other variable

Question 10

Inter Independent sample t-test

Answer 10

Average for one group is higher than for the other group

Question 11

ANOVA

Answer 11

Average differs between 3 or more groups

Question 12

Chi-square

Answer 12

Link between variables