STATEMENTS OF SIGNIFICANTS

Question 1

What is the fraction/percentage of P < 0.05 and what does that mean

Answer 1

5%
1/20
The probability of the result being due to chance is less than 5%

Question 2

What would you do with a P < 0.05 statement of significance? What kind of error is this?

Answer 2

Reject the HO (null hypothesis)
Type 1 error

Question 3

Define a type one error

Answer 3

This error occurs when you incorrectly reject the null hypothesis and suggest there is an effect. This is also known as a false positive.

Question 4

Define a type two error

Answer 4

This occurs when you incorrectly accept the no hypothesis when there is actually a significant effect