Normal Hypothesis Testing

Question 1

What conditions must be met in order to carry out a normal hypothesis test?

Answer 1

The sample is representative of the population,this is usually down by having a random sample.
If the sample size is low the parent population must have a normal distribution.

Question 2

What is a type 1 error?

Answer 2

This occurs when the null hypothesis is rejected by mistake.

Question 3

What is a type 2 error?

Answer 3

This is when the null hypothesis is accepted while being false.