Normal and Skewed Distribution

Normal and Skewed Distribution

12th Grade

15 Qs

quiz-placeholder

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Normal and Skewed Distribution

Normal and Skewed Distribution

Assessment

Quiz

Mathematics

12th Grade

Hard

Created by

Anthony Clark

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

This data is normally distributed.  What percent of the data is in the shaded region?

68%

95%

99.7%

50%

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

If this is the graph of data normally distributed with a mean of 30 and a standard deviation of 5, what label (number) is written at the blue circle?

20

15

40

30

3.

DRAG AND DROP QUESTION

1 min • 10 pts

​ The monthly income of 5000 workers at the Microsoft plant are distributed normally. Suppose the mean monthly income is $1250 and the standard deviation is $250.


Creating a normal distribution curve shows that the amount of workers who earn more than $1500 per month is ​ (a)  

800 workers

125 workers

81.5% of workers

97.5% of workers

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

This data is normally distributed.  What percent of the data is in the shaded region?

5%

95%

2.5%

50%

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The center of the curve represents what value of a data set?

μ

δ

Σ

Ζ

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the area under the curve to the left of z = 0.55 ?

.2912

.5500

.9394

.7088

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the area under the curve between z = 0 and z = 1.45?

.9265

.4265

.4500

.5000

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