Question

Which describes the standard deviation?

Answer 1

Answer:

The correct option is:

Option: A

A. a form of measurement of the average difference between sample values and the sample mean

Step-by-step explanation:

We know that:

The Standard Deviation is a measure of how spread out numbers are.

It is represented by the symbol sigma 'σ '

It is calculated as:

• Firstly estimating the mean of the data.

• Then calculating the  deviation of the data points.
• Squaring the deviations.
• calculating the mean of the above quantities which is also known as variance.
• Taking square root of the variance.

Hence, the correct option is:

Option: A.

Answer 2

The correct answer would be A