This is part of an online textbook, which defines populations and samples, bias and randomization, variation between samples, standard error of the mean and of a proportion. Related exercises are...
This section of an online textbook discusses, through examples, making statements about the probability of an occurence based on standard deviation. It additionally explores using confidence...
This section of an online textbook examines testing for differences of two means and the standard deviation and confidence interval for a difference in two means. It also explains the null and...
This dataset comes from a study on rats swimming in a T-shaped maze. Rats were given 4 doses of a drug, and their resulting pups swam the maze until they successfully escaped it 3 consecutive...
This dataset comes from a study on dogs 4 doses of a drug. Data on the alkaline phosphatase levels in their blood was collected throughout the experiment. Questions from this study refer to the...
Log In: