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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
the standard deviation of some temperature data in °C is 5.
If the data were converted into °F, the variance would be:
Solution
Conversion formula: $F = \dfrac{9}{5}C + 32$ So, new standard deviation = $\dfrac{9}{5} \times 5 = 9$ Variance = $(\text{SD})^2 = 9^2 = 81$ $\boxed{\text{Answer: (A) 81}}$Online Test Series, Information About Examination,
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