Lecture 24 Flashcards
1
Q
What do you expect to see if there is no difference between the two groups on a graph?
A
A nice bell shaped curve and the peak is at 0.
2
Q
How do you find a difference in proportion?
A
Proportion of one minus the other
3
Q
Do you need to look specifically at the questions?
A
Yes you need to go into more depth.
4
Q
What is the initial assumption?
A
There is no difference between the two samples.
5
Q
Is there a difference if the line falls in the bell shaped curve?
A
No there is no sign of a difference
6
Q
How do you interpret a confidence interval?
A
With 95% confidence we can infer that the true proportion is between Number1 and number2
7
Q
Do you need to consider other factors?
A
Yes you need to consider every factor that could give a slightly different answer
