Week 1. Measurement and Description - chapters 1 and 2
Measurement issues. Data, even numerically coded variables, can be one of 4 levels nominal, ordinal, interval, or ratio. It is important to identify which level a variable is, as
this impact the kin
Below are 2 one-sample t-tests comparing male and female average salaries to the overall sample mean.
(Note: a one-sample t-test in Excel can be performed by selecting the 2-sample unequal variance t-test and making the second variabl
At this point we know the following about male and female salaries.
Male and female overall average salaries are not equal in the population.
Male and female overall average compas are equal in the population, but males are a bit more spread