Vatiabillity of a statistic from sample to sample due to chance
1 of 5
What is the standard error
It is the population standard deviation divided by the sqaure root of the number of samples
It is smaller when the sampel size is bigger
2 of 5
What is a t-test?
It is the difference between the means divided by the difference expected by chance
The bigger the t-value, the more confidence the difference is due to the IV
3 of 5
What is pooled variance?
Average together variance of the small sample with the variance of the big sample, but the estimate of the bigger sample is given more weight
4 of 5
How to report the results of the t-test?
- We can conclude that for….
- Group 1 (M=…, SD=…)
- Group 2 (M=…, SD=…)
-T(DF)=…, p=…
5 of 5
Other cards in this set
Card 2
Front
What is the standard error
Back
It is the population standard deviation divided by the sqaure root of the number of samples
It is smaller when the sampel size is bigger
Comments
No comments have yet been made