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Standard Deviation1

Date post: 26-May-2015
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By: Janine Woodbury
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Page 1: Standard Deviation1

By: Janine Woodbury

Page 2: Standard Deviation1

What Is the What Is the standard standard deviation in the deviation in the amount of goals amount of goals scored between a scored between a game lost and a game lost and a game won?game won?

Page 3: Standard Deviation1

UNO…

Find the average of goals scored by the USA.

19/12= 1.583

Page 4: Standard Deviation1

DOS…AVERAGE GOALS DIFFERENCE

1.583 1 .583

1.583 1 .583

1.583 1 .583

1.583 1 .583

1.583 4 -2.417

1.583 3 -1.417

1.583 1 .583

1.583 1 .583

1.583 2 -.417

1.583 1 .583

1.583 2 -.417

1.583 1 .583

Second step is the subtract the average of goals scored overall by the number of goals scored in each game.

Page 5: Standard Deviation1

TRES…Deviation Deviation2

.583 .339889

.583 .339889

.583 .339889

.583 .339889

-2.417 5.841889

-1.417 2.007889

.583 .339889

.583 .339889

-.417 .173889

.583 .339889

-.417 .173889

.583 .339889

After you subtract the average of goals and the amount scored each game, you square the deviation.

Page 6: Standard Deviation1

QUATRO…

Deviation 2

.339889

.339889

.339889

.339889

5.841889

+ 2.007889

.339889

.339889

.173889

.339889

.173889

.339889

10.916668

After Squaring the deviation, add them together and divide them by the number of deviations there are.

Page 7: Standard Deviation1

CÍNCO… Divide the sum by the amount of

deviations to calculate the variance.

10.916668 ÷ 12 = .90972

Page 8: Standard Deviation1

SÍES After finding the variance, find

the square root of it.

√‾.90972 = .95379

Page 9: Standard Deviation1

THE END


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