Statistics and Probability-Standard Deviation (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream SB-SX (Class 12 & 1st Year B.Sc.) Math): Questions 1 - 2 of 2

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Question number: 1

» Statistics and Probability » Standard Deviation

Appeared in Year: 2014

MCQ▾

Question

Let . A list of number has mean and standard deviation . A new list of numbers is made as follows: and for . The mean and the standard deviation of the list are and . Then which of the following is necessarily true?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 2

» Statistics and Probability » Standard Deviation

Appeared in Year: 2013

MCQ▾

Question

Let . A list of numbers has mean and standard deviation . A new list of numbers is made as follows: . The mean and the standard deviation of the new list are . Which of the following is necessarily true? (Model Paper)

Choices

Choice (4) Response

a.

many or may not be equal to

b.

c.

d.

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