Summary Measures of spread notes

Measures of location and Spread
DC is a variable that represents multipule objects
Ex Sum of 0C values

x̅ the mean of the DC values


measure of location
measures of spread
Maximum
minimum
measure of central Range stagflation
Quartiles
modemnifintendance interquartile
percentiles Range
Deciles variance


measure of location
describes a position
measure of central tendency
Are to do with the centre of the data
An Average

measure of Spread
how data is spread out
mean of ungrouped data lists
sum of a vacuse
x̅
no data points


Frequency tables ungrouped data
sum of frequency variable
x̅
Sum of frequency
In
cg50 equate frequency to list 2

Set then Ivar Freq list 2