Electrical Engineering
GATE EE concept:standard-deviation PYQs
Build your understanding with focused practice from past exam papers.
How to practice concept:standard-deviation
Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.
Questions 1–2 of 2. Imported answers require independent review unless marked reviewed.
Question 25
Open questionEEMCQ1 markNeeds review
One million random numbers are generated from a statistically stationary process with a Gaussian distribution with mean zero and standard deviation
. The
is estimated by randomly drawing out 10,000 numbers of samples (
). The estimates
are computed in the following two ways.
Which of the following statements is true?
Your answerChoose one option.
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Open questionEEMCQ1 markNeeds review
The mean-square of a zero-mean random process is
, where
is Boltzman’s constant,
is the absolute temperature, and
is a capacitance. The standard deviation of the random process isYour answerChoose one option.
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