IB DP Maths: AA HL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 HL复习笔记4.1.4 Linear Transformations 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 HL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 HL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 HL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 HL复习笔记3.11.4 Shortest Distances with Planes
Shortest Distance Between a Line and a Plane How do I find the shortest distance between a given point on a line and a plane? The shortest distance from any point on a line to a plane will always b...
IB DP Maths: AA HL复习笔记3.11.3 Angles Between Lines & Planes
Angle Between Line & Plane How do I find the angle between a line and a plane? When you find the angle between a line and a plane you will be finding the angle between the line itself and the l...
IB DP Maths: AA HL复习笔记3.11.2 Intersections of Lines & Planes
Intersection of Line & Plane How do I tell if a line is parallel to a plane? A line is parallel to a plane if its direction vector is perpendicular to the plane’s normal vector The scalar produ...
IB DP Maths: AA HL复习笔记3.11.1 Vector Equations of Planes
Equation of a Plane in Vector Form How do I find the vector equation of a plane? A plane is a flat surface which is two-dimensional Imagine a flat piece of paper that continues on forever in both d...
