Unit Test #52
Select your answers to the following 5 questions from the pop-up menus in the right hand column. When you are satisfied with your answers, fill in your name and e-mail address in the spaces provided below the test, and click the "Submit Test" button. Clicking the "Begin Test Again" button will clear all the answers.
Q1:
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Find the lower quartile of:
4, 6, 8, 13, 16, 19, 28, 30, 35, 50
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A. 6 B .8 C. 13 D. 30 |
Answer 1:
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Q2:
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What is the standard deviation of the values in question 1? |
A. 20.9 B. 17.5 C. 4.57 D. 13.9 |
Answer 2:
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Q3:
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The standard deviation of a set of values is 2.
If 3 is added to each value, what is the new standard deviation?
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A. 2 B. 5 C. 2.5 D. 0 |
Answer 3:
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Q4:
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Use a calculator to find the standard deviation, to 2 sig. figs., of the frequency distribution:
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A. 0.60 B. 0.81 C. 6.0 D. 0.77 |
Answer 4:
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Q5:
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What is the median for the frequency table above? |
A. 5 B. 6 C. 7 D. 10 |
Answer 5:
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