A.P. Biology- Standard Deviation and Standard Error Test Question
1) Two teachers are discussing student performance on the most recent exam. They have
compiled their test scores into a chart. Find the mean, standard deviation, and standard error of
the measurements. Show your work in the space. Then graph the means using a bar graph on the
axes provided. Include error bars to 2 SEX.

Class Scores - Teacher A
50
94
2
3
Y
5
67
88
100
Class Scores - Teacher B
89
46
73
99
86