Variance and Standard Deviation

To find Standard Deviation and Variance it's

Not necessary to include the mean.

• True

• Maybe

• Unsure

• False

How many steps they're in finding Variance and Standard Deviation?

• 4 steps

• 2 steps

• 10 steps

• 6 steps

It show the variation of data and if the data is close together it will be small.

It is use to find Standard Deviation and the average squared deviation from the mean of a set of data.

In finding Standard Deviation, when the data is close together it will be _____?

In finding Standard Deviation, when the data is far together it will be _____?

Variance has no significant connection in finding for the standard deviation of a data set.

• True

• False

• Maybe true

• Mybe False

Finding the mean of the data.

• Step 1

• Step 2

• Step 3

• Step 4

Find the sum of the squares of the deviation from the mean.

• Step 1

• Step 2

• Step 3

• Step 4

Find the deviation from the mean.

• Step 1

• Step 2

• Step 3

• Step 4

• Step 5