| 1. Suppose that 100 was added to each value of a sample. What happens to the: |
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a) Standard deviation
b) Interquartile range
c) Range
d) Mean
e) Median |
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2. Suppose that the value -40.5 was obtained for the variance. What do you conclude? |
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3. Suppose that the range of a sample is 105.4, and that the value of 260.6 is obtained on calculating the standard deviation. What do you conclude? |
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