which of the following is defined as a weighted average of the possible values that a random variable can take?
A. Variance of discreet random variable
B. Mean of discreet random variable
C. Simple Variance
D. Simple Mean
A. Variance of discreet random variable
B. Mean of discreet random variable
C. Simple Variance
D. Simple Mean
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Answer:
The mean
The mean can be regarded as a measure of `central location' of a random variable. It is the weighted average of the values that X can take, with weights provided by the probability distribution. The mean is also sometimes called the expected value or expectation of X and denoted by E(X).
Answer:
the answer is letter B po
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