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Mad and Standard Deviation

Authored by Anthony Clark

Mathematics

9th Grade

Mad and Standard Deviation
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calculate the standard deviation for the following set of numbers: 5, 10, 15, 20, 25

7.07

4.5

8.2

12.6

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Determine the standard deviation of the numbers: 3, 6, 9, 12, 15

5.67

3.14

7.89

4.24

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the formula to calculate standard deviation?

Standard Deviation = sqrt(average of (data point - mean)^2)

Standard Deviation = sum(data point - mean)^2

Standard Deviation = average of (data point - mean)

Standard Deviation = sqrt(data point - mean)^2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the mean absolute deviation for the numbers: 12, 15, 18, 21, 24

2.8

3.6

4.2

5.5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the standard deviation on this Normal Curve?

6

12

34

18

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What does this symbol represent?

Standard Deviation

Variance

mean

Interquartile Range

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When comparing data sets, a higher Standard Deviation indicates...

More consistency and less variability

Less consistency and less variability

More consistency and more variability

Less consistency and more variability

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