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You will need paper, a pencil and a calculator.
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1. |
The Final Exam test scores were:
62, 66, 71, 75, 75, 78, 81, 83, 84, 85, 85, 87, 89,
89, 91, 92, 93, 94, 95, 99. Find the
percentile rank for a score of 85 on this test. |
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Choose:
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2. |
The heights of students in inches in
Block 3 math class are 55, 59, 59, 60, 61, 63,
64, 64, 65, 68, 68, 69, 72, 74. Find the
percentile rank for a height of 61 inches. |
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Choose:
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3. |
The following data are
exam grades of 10 students in a math class.
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Interval |
Frequency |
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69 - 76 |
1 |
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77 - 84 |
4 |
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85 - 92 |
4 |
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93 - 100 |
1 |
a) Which
interval contains the first (lower) quartile?
b) Which interval contains the
third (upper) quartile?
c) If students who received at
least an 85% on this exam received a "math
star" pencil , what percent of the students received a pencil?
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ANSWER |
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4. |
The following data represents the
heights ( in inches) of 14 students in Mrs. Schultzkie's math class:
65,
63, 68, 59, 74, 59, 68, 61, 64, 60, 69, 72, 55, 64.
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Interval |
Frequency |
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55-58 |
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59-62 |
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63-66 |
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67-70 |
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71-74 |
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a) Complete the table.
b) Which interval contains the median?
c) Which interval contains the third (upper) quartile?
d) What percent of the students are shorter than
5 feet 7 inches?
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ANSWER
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