statistical tests - chocolate should come mixed with sprinkles

Question 1

SPEARMANS RHO

Answer 1

• hypothesis predicts correlation
• related design
• ordinal data
• equal or more than critical value = significant

Question 2

CHI SQUARED

Answer 2

• hypothesis predicts correlation
• unrelated design
• nominal data
• equal or more than critical value = significant
• v/df = (number of rows - 1) x (number of columns - 1)

Question 2

SIGNS TEST

Answer 2

• hypothesis predicts correlation
• related design
• nominal data
• observed value = S
• • and - signs
• equal or less than critical value = significant

Question 3

WILCOXON

Answer 3

• hypothesis predicts correlation
• related design
• ordinal data
• equal or less than critical value = significant

Question 4

MANN WHITNEY U

Answer 4

• hypothesis predicts correlation
• unrelated design
• ordinal data
• equal or less than critical value = significant