A line of best fit is subjective, using Pearson’s correlation coefficient, we can create a more precise line of best fit known as the least squares regression line
lesson notes:05 pearsons coefficient & regression
A line of best fit is subjective, using Pearson’s correlation coefficient, we can create a more precise line of best fit known as the least squares regression line
lesson notes:05 pearsons coefficient & regression
Using scatterplots took establish whether relationships between bivariate data exist
lesson notes:04 correlation
Sometimes looking at a dataset’s interquartile range instead of the entire range you get a better representation of the spread of the data.
lesson notes:03 quartiles
Two most common graphical visual summaries in statistics are histograms and polygons.
lesson notes:02 histograms & polygons
The collection, presentation and summarisation of data
lesson notes:01 descriptive statistics