Topic 5 Flashcards
(5 cards)
1
Q
Z score
A
Number of standard deviations a score falls above/ below the mean, Z= observation - mean / SD
2
Q
Percentile
A
The percentage of observations that fall below a given data point (we need to know the shape of the distribution to calculate a percentile from a Z score)tu
3
Q
Cutoff points
A
Values in a dataset that act as thresholds, dividing the data into distinct groups or regions
4
Q
Short (distribution)
A
Narrower than the normal distribution, points follow an S-shaped curve
5
Q
Long Tails (distribution)
A
Wider than the normal distribution, points start below the line, bend to follow it and end above it
