A team of psychologists is studying the behavior of the students in a first grad

Question

A team of psychologists is studying the behavior of the students in a first grade class. There are 16 girls and 16 boys in the class, and for each student the psychologists record the number of minutes "on task" a forty minute class. The team wishes to compare the on-task times of the girls with the on-task times of the boys. Which of the following would NOT be suitable graph for displaying the results? (A) Parallel dotplots with equal scales (B) Back-to-back stemplot (C) Histograms with equal scales (D) Side-by-side boxplots (E) Scatterplot with girls' times plotted as x values and boys' times plotted as y-values

Explanation / Answer

Scatter plot is used to show the relaiton between the variables. Here we need to compare the two data sets "on task time of girls" with "on tak time of boys". So option E is correct.

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