Test Rules

Question 1

If there’s an ‘r’ in the test:

Answer 1

Calculated value must be:
= to or greater than critical value from table to accept my hypothesis & reject my null

Question 2

If there isn’t an ‘r’ in the test:

Answer 2

Calculated value must be:
= to or less than critical value from table to accept my hypothesis & reject my null

Question 3

What is the level of significance if not otherwise stated?

Answer 3

0.05

Question 4

What is chi-squared also known as?

Answer 4

X squared

Question 5

What is degrees of freddom?

Answer 5

number of single variables in data set

Question 6

What are type 1 errors?

Answer 6

Null hypothesis rejected & alt hypothesis accepted when it should be other way round
Often referred to as optimistic error/false positive as researcher claims to have found significant difference/correlation when one doesn’t exist

Question 7

What are type 2 errors?

Answer 7

Null hypothesis accepted & alt rejected when it should be other way round
Pessimistic error/false negative