week three Flashcards
1
Q
what is the focus of a descriptive statistics?
A
a descriptive statistics focuses mainly on summarising and presenting data.
2
Q
what is descriptive statistics mainly divided into?
A
measures of central tendency
measures of variability
3
Q
what is the measure of central tendency?
A
this focuses on the middle value of the data
4
Q
what is the measure of variability?
A
it aids in analysing how dispersed the data really is
5
Q
what are variables?
A
factors that can take more than one value
6
Q
what is meant by distribution?
A
refers to the different values that can be assumed and their frequency
7
Q
what is it called when you describe only one value at a time?
A
univariate descriptive statistic
