e. 88.69; she qualified.
29.The table below is a calculation of the grade breakdown of 500 students who are taking introductory
psychology at a university. The grades are on a 100-point scale, and the table divides the students into
percentiles. Which of these statements is NOT correct?
Percentile
Grade
10
43
20
55
30
68
40
72
50
75
60
81
70
90
a. This distribution is skewed left.
b. The mean grade for the 500 students is greater than the median grade.
80
92
c. There are no high outliers among these students.
d. More students are doing well in the class than are doing poorly in the class.
e. All of these statements are correct.
30. In a scatternlot
90
95
99
100
