3.1 - 1

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

3.1 - 2

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

1)( 2

n

xxs

3.1 - 3

1)( 2

n

xxs

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

Calculate the mean

3.1 - 4

Desk Work 6

1)( 2

n

xxs

Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

Calculate the mean

3.1 - 5

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

Create a column of each value minus the mean

1)( 2

n

xxs

3.1 - 6

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

Create a column of each value minus the mean

x

879111312

1)( 2

n

xxs

3.1 - 7

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

Create a column of each value minus the mean

x

879111312

101010101010

1)( 2

n

xxs

3.1 - 8

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

Create a column of each value minus the mean

x

879111312

8-10101010101010

1)( 2

n

xxs

3.1 - 9

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

Create a column of each value minus the mean

x

879111312

101010101010

-2 1)( 2

n

xxs

3.1 - 10

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

Create a column of each value minus the mean

x

879111312

101010101010

-2-3

1)( 2

n

xxs

3.1 - 11

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

Create a column of each value minus the mean

x

879111312

101010101010

-2-3-1

1)( 2

n

xxs

3.1 - 12

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

Create a column of each value minus the mean

x

879111312

101010101010

-2-3-11

1)( 2

n

xxs

3.1 - 13

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

Create a column of each value minus the mean

x

879111312

101010101010

-2-3-113

1)( 2

n

xxs

3.1 - 14

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

Create a column of each value minus the mean

x

879111312

101010101010

-2-3-1132

1)( 2

n

xxs

3.1 - 15

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

Square each deviation from the mean

x

879111312

101010101010

-2-3-1132

1)( 2

n

xxs

3.1 - 16

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

Square each deviation from the mean

x

879111312

101010101010

-2-3-1132

4 1)( 2

n

xxs

3.1 - 17

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

Square each deviation from the mean

x

879111312

101010101010

-2-3-1132

49

1)( 2

n

xxs

3.1 - 18

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

Square each deviation from the mean

x

879111312

101010101010

-2-3-1132

491

1)( 2

n

xxs

3.1 - 19

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

Square each deviation from the mean

x

879111312

101010101010

-2-3-1132

4911

1)( 2

n

xxs

3.1 - 20

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

Square each deviation from the mean

x

879111312

101010101010

-2-3-1132

49119

1)( 2

n

xxs

3.1 - 21

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

Square each deviation from the mean

x

879111312

101010101010

-2-3-1132

491194

1)( 2

n

xxs

3.1 - 22

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

Sum the squared deviations from the

mean

x

879111312

101010101010

-2-3-1132

491194

1)( 2

n

xxs

3.1 - 23

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

Sum the squared deviations from the

mean

x

879111312

101010101010

-2-3-1132

49119428

1)( 2

n

xxs

3.1 - 24

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

x

879111312

101010101010

-2-3-1132

49119428

528

1)( 2

n

xxs

3.1 - 25

Desk Work 6Find the sample standard deviation for the following small sample of data.

8, 7, 9, 11, 13, 12

x

879111312

101010101010

-2-3-1132

49119428 4.2

528

1)( 2

n

xxs