Below is the link to the page on the college board website that has ALL the past FRQ's from AP Statistics Exams.
Below is a link to a site that will create a boxplot, give you the 5# summary, all FREE
Below is a link to a sire that will create a histogram, FREE
Below is a link to a site that will create a stemplot, FREE
Below is a link to a site that will generate some random numbers, FREE
Below is a link to a site that will create a scatterplot, calculate the correlation coefficient(r), etc. FREE
Below is a link to a site that will create a scatterplot, give you the regression equation, etc FREE
Below is a link to a site that will calculate the numerical summaries, mean, median, StDev, etc. FREE