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Course: Statistics — Third Secondary
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Quiz

Advanced Measures of Dispersion — Lesson quiz

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1.
A set has σ = 3. What is the standard deviation of a new set whose values are multiplied by −2?
−6
3
2
6
2.
Does the standard deviation change if 10 is added to every value?
Yes, the standard deviation increases by 10
Yes, the standard deviation doubles
No, the standard deviation stays the same
No, the standard deviation becomes zero
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