Stats

Question 1

Mann-Whitney
- When to use
- Whether critical value or calculated value must be higher for the results to be significant.

Answer 1

• Test of difference
• Ordinal data
• Independent groups (unrelated)
• Critical value must be higher

Question 1

Wilcoxon
- When to use
- Whether critical value or calculated value must be higher for the results to be significant.

Answer 1

• Test of difference
• Ordinal data
• Repeated Measures and Matched pairs (related)
• Critical value must be higher

Question 2

Unrelated t-test
- When to use
- Whether critical value or calculated value must be higher for the results to be significant.

Answer 2

• Test of difference
• Interval data
• Independent groups
• Calculated value must be higher

Question 3

Related t-test
- When to use
- Whether critical value or calculated value must be higher for the results to be significant.

Answer 3

• Test of difference
• Interval data
• Repeated measures and matched pairs
• Calculated value must be higher

Question 4

Spearman’s Rho
- When to use
- Whether critical value or calculated value must be higher for the results to be significant.

Answer 4

• Test of correlation
• Ordinal data
• Calculated value must be higher

Question 5

Pearson’s r
- When to use
- Whether critical value or calculated value must be higher for the results to be significant.

Answer 5

• Test of correlation
• Interval data
• Calculated value must be higher

Question 6

Chi squared
- When to use
- Whether critical value or calculated value must be higher for the results to be significant.

Answer 6

• Test of correlation
• Nominal data
• Critical value must be higher