Types of data and sampling

Data sampling:

Histograms

Boxplots and quartiles

Outliers

Averages:

Averages 1

Averages 2

Measures of spread

Standard deviation

Scatter graphs

Pearson’s product

Pearson’s and Spearman’s rank

Regression lines

Spearman’s rank

Hypothesis testing

Chi square test for independence

Chi square test for independence 2

Chi square goodness of fit

t tests

t test 2