Inferential stats

Question 1

How do you do a Wilcoxon Signed Ranks test?

Answer 1

• State the alternate hypothesis
• Place raw data in table
• Find difference and rank
• Calculate observed (calculated) value of T
• Is the result in the right direction?
• Find critical calue of T
• Report the conlcusion

Question 2

How do you calculate a Mann- Whitney test?

Answer 2

• State the alternate hypothesis
• Place raw data in table
• Rank each data set
• Add each set of ranks
• Calculate observed value of U
• Is the result in the right direction?
• Find critical value of U
• Report the conclusion

Question 3

How do a Chi- Squared?

Answer 3

• State the alternate hypothsis
• Place frequency data in a contingency table
• Find observed/ calculated calue of chi squared
• Find critical value of Chi squared
• State the conlclusion

Question 4

How to do a spearmans rho?

Answer 4

• State alternate hypothesis
• Place raw data in table and perform calculations
• Find the observed value of rho
• Is the result in the right direction?
• Find critical value of who
• State the conclusion

Question 5

How do you remember each test and when to use it?

Answer 5

• INC
• IOM
• COS
• ROW

Question 6

Which is used for a test of correlation?

Answer 6

Spearmans row