Question

relation sign between mean and variance of geometric distribution​

Answer 1

Answer:

The mean of the geometric distribution is mean = 1 − p p , and the variance of the geometric distribution is var = 1 − p p 2 , where p is the probability of success.

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Answer 2

Variance (σ) = E(X²)-[E(X)]²

Explanation:

• Mean is the term average of the random variable.
• Mean shows the location of central tendency.
• It is calculated by the formula: $Mean= \sum f_{i}x_{i}$.
• The variance is the expected value of variation of any random variable from its mean value.
• The realtion between mean and variance is Variance (σ) = E(X²)-[E(X)]².