Exercise

Evaluating the effectiveness of stem cell treatment (cont.)

Conduct the hypothesis test and compute the p-value for evaluating whether there is a difference between the mean heart pumping capacities of sheep's hearts in the control and treatment groups.

Since we're testing for a difference, the order in which we subtract matters. We can specify it using the order argument in the calculate() function. For example, to achieve group1 - group2 use order = c("group1", "group2").

Instructions 1/2

XP

1
2

Generate 1000 differences in means via randomization.

Specify change versus treatment group.
Use an independence hypothesis.
Generate 1000 replicates via permutation.
Calculate the difference in means (esc first, then ctrl).

Take Hint (-15 XP)