Top 50 data Science Interview Questions

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The sum of the deviations about the mean is always: a. Range b. Zero c. Total Deviation d. Positive

Zero

The middle value of an ordered array of numbers is the a. Mode b. Mean c. Median d. Standard Deviation

Median

Height of employees is a :- a. Continuous value b. Qualitative value c. Discrete value d. None of these

Continuous Value

Which of these is a measure of dispersion:- a. Mean b. Median c. Quartile d. Standard Deviation

Standard deviation is a measure of dispersion

Variance of a dataset is 144, what is the Standard Deviation?

Standard deviation is square root of Variance, so the Standard deviation will be 12

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