Interpreting Data How do I interpret statistical measures? The?mode?is useful for?qualitative data It is not as useful for quantitative data as there is not always a unique mode The?mean includes a...
Univariate data is data that is in?one variable. Box Plots What is a box plot (box and whisker diagram)? A box plot is a graph that clearly shows key statistics from a data set It shows the?median,...
Outliers What are outliers? Outliers are extreme data values that do not fit with the rest of the data They are either a lot bigger or a lot smaller than the rest of the data Outliers are defined a...
Linear Transformations of Data Why are linear transformations of data used? Sometimes data might be very large or very small You can apply a?linear transformation?to the data to make the values mor...
Ungrouped Data How are frequency tables used for ungrouped data? Frequency tables can be used for ungrouped data when you have lots of the same values within a data set They can be used to collect ...
Mean, Mode, Median What are the mean, mode and median? Mean, median and mode are?measures of central tendency They describe where the centre of the data is They are all types of?averages In statist...
Types of Data What are the different types of data? ?Qualitative?data is data that is usually given in words not numbers to?describe?something For example: the colour of a teacher's car Quantitativ...
Quadratic Trigonometric Equations How are quadratic trigonometric equations solved? A quadratic can give up to two solutions You must consider both solutions to see whether a real value exists Reme...
Trigonometric Equations: sinx = k How are trigonometric equations solved? Trigonometric equations can have an infinite number of solutions For an equation in sin or cos you can add 360° or 2π to ea...
