Measures of Centre - Data Test Flashcards
(9 cards)
1
Q
measures of centre
A
mean, median, mode
2
Q
how to calculate mean
A
sum of all number / total number of scores
3
Q
how to calculate median
A
middle score in order
4
Q
mode
A
most common score
5
Q
measures of dispersion
A
range, variance, standard deviation and interquartile range
6
Q
range
A
spread
7
Q
variance
A
dispersion / distance from mean
8
Q
standard deviation
A
9
Q
interquartile range
A
dispersion between first and third quarters of the data set
