Stats tests

• What are the 5 stats test you must know

  Mann Whitney U

  wilcoxon signed ranks

  chi squared

  binomial sign

  spearmans rank
• What is the checklist for a Mann Whitney U

  Ordinal data

  independent measure

  testing for a difference between the IV
• What is the checklist for a wilcoxin signed ranks

  ordinal data

  repeated measures

  difference in IV
• what is the checklist for a chi squared test

  produced nominal data

  independent measure

  difference between IV
• What is the checklist for a binomial sign test

  Nominal data

  repeated measures

  difference in iv
• What is the checklist for a spearman’s rank

  Ordinal data

  correlation design
• What is the rule of R

  If the name of the stats test has the letter r in it the calculated value needs to be more than the critical value for it to be significant
• How do you carry out a binomial sign test

  Find the difference between the two sets of data (difference between each number) and always subtract from the same column.

  add together the amount of pluses and negatives and the lowest amount is the calculated value
• For the binomial sign test the calculated value needs to be lower than or equal to the critical value
• What is the equation for the calculated value of a chi squared

  X = sum of (observed - expected)2/expected
• In a chi squared stats test the calculated value must be more or equal to the critical value
• What is the equation for degrees of freedom

  No. Of rows -1 X no. Of columns -1