void page2() {
  String t = "Step 2 - The Statistical Model";
  textFont(myboldfont, 18);
  text(t, 30, 160);
  textFont(myfont, 18);

  t = "C+E model:";
  text(t, 30, 190+25);
  image(ce, 140, 175+25); 

  t = "where Y is the observed "+ aStudy.obj + ", mu is the true population mean, and epsilon is the random error.";
  drawStrings(t, 30, 230+25, 25);

  if (aStudy.known == 1) {
    t = "We assume n is large or the epsilons are from a normal density.";
    text(t, 30, 305+25);
  }
  else if (aStudy.samplesize < 30) {
    t = "We assume the epsilons are from a normal density.";
    text(t, 30, 305+25);
  }

  leftarrow.setVisible(true);
  ans.setVisible(false);
  cb1.setVisible(false);
  tf3.setVisible(false);
}