IB DP Maths: AA SL复习笔记4.2.1 Bivariate Data
Scatter Diagrams What does bivariate data mean? Bivariate data is data which is collected on two variables and looks at how one of the factors affects the other Each data value from one variable wi...
IB DP Maths: AA SL复习笔记4.1.7 Interpreting Data
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...
IB DP Maths: AA SL复习笔记4.1.6 Univariate Data
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,...
IB DP Maths: AA SL复习笔记4.1.5 Outliers
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...
IB DP Maths: AA SL复习笔记4.1.4 Linear Tranformations of Data
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...
IB DP Maths: AA SL复习笔记4.1.3 Frequency Tables
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 ...
IB DP Maths: AA SL复习笔记4.1.2 Statistical Measures
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...
IB DP Maths: AA SL复习笔记4.1.1 Sampling & Data Collection
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...
IB DP Maths: AA SL复习笔记3.6.5 Quadratic Trigonometric Equations
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...
