Unit Test #45
Select your answers to the following 10 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.
Q1:
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Which of the following, gives an indication of the spread of a set of values? |
A. standard deviation B. quartiles C. range D. all of the above |
Answer 1: |
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Q2:
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What is the range of 8.2, 6.4, 4.5, 7.2, 9.6 and 6.9? |
A. 7.1 B. 42.8 C. 5.1 D. 9.6 |
Answer 2: |
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Q3:
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What is the upper quartile of: 15, 3, 7,10, 9, 13, 1? |
A. 3 B. 7 C. 10.75 D. 13 |
Answer 3: |
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Q4:
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What is the lower quartile of the numbers:
15, 6, 4, 3, 8, 9, 3?
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A. 3 B. 3.5 C. 4 D. 9 |
Answer 4: |
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Q5:
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The lower quartile is the equivalent of the 75th percentile.
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A. True B. False |
Answer 5: |
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Q6:
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Which score is the median of the 20 golf scores?
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A. 71 B. 72 C. 73 D. 74 |
Answer 6: |
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Q7:
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Use a calculator to find the standard deviation of the set of numbers:
4, 6, 9, 10, 12
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A. 9 B. 8 C. 2.9 D. 1.7 |
Answer 7: |
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Q8:
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For the data: 7, 11, 4, 7, 10, 8, 5, 20
What is the median?
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A. 7 B. 7.5 C. 8 D. 9 |
Answer 8: |
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Q9:
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What is the lower quartile in question 8? |
A. 5 B. 6 C. 6.5 D. 7 |
Answer 9: |
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Q10:
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What is the interquartile range in question 8? |
A. 4.5 B. 16 C. 3 D. 6 |
Answer 10: |
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