T-test

Question 1

When are the results statistcally significant?

Answer 1

if p < 0.05

if p is greater, it is not stastically signifcant so we reject the null hypothesis

Question 2

What is te t-test used to find out?

Answer 2

• whether the means of two sets of data are signifcantly different from eachother
• this means that any difference is liekly not ot have happened by chance

Question 3

When do you use tohe t-test?

Answer 3

• unpaired data
• show normal distribution
• sample is small, <30

Question 4

What does the s mean in t test

Answer 4

standard deviation