Distribution and Statistical Tests Flashcards
1
Q
If the data has a normal distribution, what does this actually mean?
A
It means that 2/3 of the data are within 1 standard deviation of the mean?
2
Q
What does symmetry of data distribution show?
A
It shows that 50% of the data lies above the mean, whilst the other 50% lies below the mean.
3
Q
Visually, what does the standard deviation refer to on a graph?
A
The width of the bell curve
