Significance testing

Question 1

What is the target population

Answer 1

the population we target for an experiment

Question 2

what does camping from a population mean

Answer 2

we take a sample from the population of interest as it would otherwise be time consuming, expensive and geographically challenges

Question 3

define P values

Answer 3

expressed as a decimal between 0 and 1 (%)
- if P is 0.5 -> 50% chance of finding the same result
- if P is 0.05 -> 5% chance of finding the same result

Question 4

what’s the threshold for significance that we use (alpha)

Answer 4

5%

Question 5

how do we find out if our results are significant

Answer 5

P has to be SMALLER than 0.05