During the first quarter of 2023, fifty (50) Bachelor of Commerce in Informatics graduates were recruited into the graduate
internship programme of a prominent JSE-listed Technology company, anonymised as ABC Ltd. Each graduate intern
rotated through each of the 5 departments of ABC Ltd and sat for five separate departmental assessments at the end of
each of the rotations. The HR department captured the final consolidated marks of the 50 graduates for potential
employment offers at ABC.
The sample data below represents the final marks (in %) obtained by 20 randomly selected graduates who participated in
the internship at ABC Ltd.
56 78 66 82 52 72 62 64 59 79
74 61 53 64 45 68 77 84 96 88
QUESTION 1 (4 Marks)
Based on the raw data above, determine the measures of central tendency of the sample data.
A. The mean, median, and mode are 69%, 67%, and 64%, respectively.
B. The mean, median, and mode are 68%, 66%, and 64%, respectively.
C. The mean, median, and mode are 64%, 65%, and 69%, respectively.
D. The mean, median, and mode are 64%, 66%, and 68%, respectively.