Mr. Jones has just given a review test in preparation for the AP Psychology exam in May. He
wants to be certain that he can provide those who need extra assistance the opportunity to attend a
study session if they don’t do well on the practice test. During the study session, he will review
the topics covered by the exam. Mr. Jones is going to ask any student whose score is more than
one standard deviation below the means on the review test to attend the study session. As an
expert statistician, you will be asked to examine the data provided below, which represent the
students’ scores, and make a recommendation to Mr. Jones regarding who should attend the study
session.
Student
#1
Student
#2
Student
#3
Student
#4
Student
#5
Student
#6
Student
#7
Student
#8
Student
#9
Student
#10
97 78 92 88 67 65 81 83 86 73
(A) For the population above, determine the following and indicate which each of the scores
represents:
• The mean
• The median
• The range
• The standard deviation
(B) Make your recommendation to Mr. Jones regarding which students should attend the
study session:
• Determine and explain which type of graph would be best to summarize the
information form this data set.
• Graph the data. Also, label the axes and title the graph.