Added the initial copy of the file for the lecture on grouped data.
Updated the lecture on grouped data.
Updated the lecture on quartiles.
Added normal qq plots
Updated the lecture on assessing normality.
Minor changes to bring together the normalaty check and the binomial approximation together.
Updated the section on the distribution of the sample mean.
Minor changes to the section on the five point summary
Updated the section on the sample proportion.
Added two in class example scripts.
Updated the intro to the confidence interval.
Added images and R file to generate image associated with the confidence interval.
Added a statement for the solution to a confidence interval problem.
Updated the discussion on the t-distribution.
Added an R file and images for the t distribution.
Made up a lecture on confidence intervals for sample proportions.
Added a flow chart for determining what approximation to the distribution to use for confidence intervals.
Made up a set of examples for a review of confidence intervals.
Added a demo for confidence intervals for in class.
Added images for the hyp test introduction.