Distributions of scores for two groups in an experiment can be compared by
A) arranging the "stems" for both groups in one stem-and-leaf display and the "leaves" for both groups in a second stem-and-leaf display.
B) preparing one stem-and-leaf display using the scores for both groups.
C) arranging a stem-and-leaf display for each group side-by-side.
D) none of these

Question

Quizplus · Accepted Answer

Arranging a separate stem-and-leaf display for each group (option C) allows for easy comparison of the distributions of scores, as they are placed side by side. Option A is not ideal as it may be difficult to compare the two displays. Option B is not recommended, as it can lead to confusion and difficulty in interpreting the data. Option D is not a correct option as there must be some way to compare the groups.

Distributions of Scores for Two Groups in an Experiment Can