stats Flashcards
1
Q
What is the difference between standard deviation and range
A
- SD show the range of data around the mean wgereas range only shows the range between the highest and lowest value
- SD can be used to show if the results are significant but the range cannot.
3.SD reduces the effect of anomalies whereas the range doesn’t
2
Q
When would you use a student t test
A
When you’re investigating the difference between two means
3
Q
What is a null hypothesis
A
The claim that the effect being studied does not exist
4
Q
What probability means that you can assume it is is not due to chance
A
0.05
5
Q
A
