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Understanding Distribution and Skewness

Understanding Distribution and Skewness

Assessment

Interactive Video

Mathematics, Science, Social Studies

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explains the concept of normal distribution using student heights, highlighting its symmetrical nature around a central value. It then contrasts this with skewed distributions, using income data to illustrate positive skewness, where the tail extends to the right, and test scores to demonstrate negative skewness, where the tail extends to the left. The tutorial emphasizes the differences between these distributions and the implications of skewness in data analysis.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the central value in a normal distribution?

The average value

The median value

The lowest value

The highest value

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What shape does a normal distribution resemble?

A square

A triangle

A bell

A circle

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a positively skewed distribution, where is the tail located?

On the left side

In the middle

On the right side

There is no tail

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the central value in the income distribution example?

$100,000

$10,000

$50,000

$20,000

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a long tail on the right side of a distribution indicate?

Negative skewness

Positive skewness

Normal distribution

No skewness

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a negatively skewed distribution, where is the tail located?

On the right side

On the left side

In the middle

There is no tail

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the central value in the student test scores example?

20

50

100

80

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