#|These data are from page 543 of Moore and McCabe.  They are from a study in which an educator tested whether a new directed reading activity help elementary school pubils improve their reading ability. The two groups are a classroom of 21 students who got the activity, and another classroom of 23 students who didn't. All students were given the Degree of Reading Power test.|#

(data "Reading"
:variables '("DRP-Score")
:ways '("Group")
:classes '(("Treatment" "Control"))
:data '(
(24 43 58 71 43 49 61 44 67 49 53 56 59 52 62 54 57 33 46 43 57);treatment
(42 43 55 26 62 37 33 41 19 54 20 85 46 10 17 60 53 42 37 42 55 28 48);control
))