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3. Memory Test A
light scratch
shower work
chicken program
soccer baby
water computer
kitchen magazine
gymnasium family
garbage bowling
bell ceiling
sleep countertop
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5. Memory Test B
sound watch
curtain bench
basketball thunderstorm
street rooster
dress machine
garage library
cafeteria brother
star house
shell alcohol
grocery winter
5
8. Percentile Rank
Comparing a Raw Score to All Other Scores
Suppose 100 students have written the same test as Marjoy.
Suppose only 10 of these students score less than 48 out of 60.
How does Marjoy's mark compare with the marks of the other
students who have written the same test?
Assume that no other student has scored exactly 48 out of 60.
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10. Percentile Rank
indicates the percent of all scores that fall below a particular score.
• The higher the percentile rank, the better the score
compared to the other scores.
• The lower the percentile rank, the poorer the score
compared to the other scores.
B = number of scores Below a given score
E = number of scores Equal to the given score, including the given score.
*if there are no other scores equal to the given score, then E = 0.
n = total number of scores
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12. Mac writes a college entrance examination and scores
1440 out of a possible 1800. Of the 875 students writing
the college entrance examination, 25 other students have
the same score as Mac and 680 students have lower
scores than him.
a) Find Mac's percentile rank.
b)In order to be considered for a particular college
program, Mac needs a percentile rank of 75 or better.
Is Mac's score high enough for him to be considered
for the program?
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