Can you explain the difference between the variance and standard deviation?

Question added by Frank Mwansa , ACCOUNTING LECTURER , FREELANCER
Date Posted: 2017/10/07

Upvote (0) Views (1) Followers (1) Answers (1) Report Question

Write an Answer
Register now or log in to answer.

by Mustafa Sadeq , Construction Manager , BizSolutions 360 Inc.

• Both variance and standard deviation are measures of spread of values in any data.

• Variance is calculated by taking the mean of the squares of individual differences from the mean of the sample

• Standard deviation is the square root of the variance.

(Collected)

Upvote (0)

Downvote Reply () Report

What is the difference between Standard Deviation and Standard Error in Statistics?
Top Answer: The standard error of the mean is the standard deviation of those sample means over all possible samples ... See More

Answers (1)
What is meant by Standard deviation?
Top Answer: In Statistics and Probability Theory, Standard Deviation (SD) measures the amount of Variation from Avera ... See More

Answers (3)
Total risk in a security is usual measured by ? a) Range b) standard deviation c) beta d) co eficient of variation
Top Answer: <p>b) Standard deviation.</p> <p>Beta is a measure of a stock's volatility in relation ... See More

Answers (12)
If you know that the expected value is 500 and the standard deviation is 12, you can say with approximately a 95% confidence rating which of the following?
Top Answer: There is 95% probability that the work will finish within plus or minus two standard deviation. The expec ... See More

Answers (5)