A sample of people have their income measured in dollars per year. Robin gets a deviation of +5 on this variable. How does she compare to the sample? Her annual income is 5 standard deviations higher than the mean Her annual income is 5 dollars higher than the mean Her annual income is 5 points higher than the mean The mean of the sample is 5 thousands dollars higher than Robin’s income

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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  1. A sample of people have their income measured in dollars per year. Robin gets a deviation of +5 on this variable. How does she compare to the sample?

    1. Her annual income is 5 standard deviations higher than the mean

    2. Her annual income is 5 dollars higher than the mean

    3. Her annual income is 5 points higher than the mean

    4. The mean of the sample is 5 thousands dollars higher than Robin’s income

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