Stats tests

Question 1

Wilcoxon T

Answer 1

• Repeated measures/ matched pairs
• Ordinal data
• Test of difference

Question 2

Mann Whitney

Answer 2

• Independent groups
• Ordinal data
• Test of difference

Question 3

Spearman’s Rho

Answer 3

• Correlation
• Ordinal

Question 4

Sign test

Answer 4

• Repeated measures
• Nominal data

Question 5

Unrelated t

Answer 5

• Independent groups
• Interval data
• Test of difference
• Df = N-2

Question 6

Related t

Answer 6

• Repeated measures/matched pairs
• Interval data
• Test difference
• Df = N-1

Question 7

Pearsons r

Answer 7

• Correlation
• Interval data
• Df = N-2

Question 8

Chi square

Answer 8

• Test of difference or association
• Often an association between frequencies about traits
• Nominal data
• Df = rows -1 x columns -1