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Empiracle Rule

Authored by Shellee Wadsworth

Mathematics

11th Grade

CCSS covered

Empiracle Rule
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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What percentage of scores falls within 3 standard deviations of the mean?

68%

34%

99.7%

95%

Tags

CCSS.HSS.ID.A.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pat and Tom took a test with mean 80 and SD 9. Pat scored a 76; Tom scored a 94. Find the percent of people between their scores.

68.78%

63.29%

65.14%

34.25%

Tags

CCSS.HSS.ID.A.4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What shape is a normal distribution curve?

Half curve
Round curve
Bell curve
Square curve

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the the total area under the standard normal distribution curve?

100
25
.5
1

Tags

CCSS.7.SP.C.7A

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is NOT true about the normal distribution curve?

It is bell-shaped.

The mean, median, and mode are approximately equal

The smaller the standard deviation, the less spread in the curve.

It is asymmetrical.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the empirical rule, what percentage of data falls within 1 standard deviation? 

25%
68%
95%
99.7%

Tags

CCSS.HSS.ID.A.4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the empirical rule, how much of the data falls within 3 standard deviations? 

25%
68%
95%
99.7%

Tags

CCSS.HSS.ID.A.4

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