Online Assignment - Significance Testing

A researcher is interested in seeing if more students fall asleep in statistics courses compared with other classes.

  1. Write a nondirectional research hypothesis.
  2. Write a directional hypothesis.
  3. Write the null hypothesis.
  4. Assume that the population mean is an average of 5 students falling asleep per class with a standard deviation of 1.2.  For a one-tail test,  what is the critical value for the following p values:  p<.05 ______   p<.01 _______
  5. Assume that the population mean is an average of 5 students falling asleep per class with a standard deviation of 1.2.  For a two-tail test,  what are the critical values for the following p values:  p<.05 ______   p<.01 _______

ANSWERS