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Standard Deviation and the Bell Curve

Authored by Kristine Robinson

Mathematics

10th - 12th Grade

CCSS covered

Used 18+ times

Standard Deviation and the Bell Curve
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15 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The shelf life of a particular dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days.

About what percent of the products last between 12 and 15 days?

68%
34%
16%
2.5%

Tags

CCSS.HSS.ID.A.4

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The mean life of a tire is 30,000 km. The standard deviation is 2000 km.

Then, 68% of all tires will have a life between ___________ km and __________ km.

 28,000 km and 32,000 km.
24,000 km and 34,000 km.
26,000 km and 34,000 km.
27,000 km and 31,000 km.

Tags

CCSS.HSS.ID.A.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

1.  Which best describes the shaded part of this normal distribution graph?  

All data that is one or higher.
All data that is one or more standard deviations above the mean.
All data that is between 1 and 3.
All data that is above the mean.

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The distribution of heights of adult American men is approximately Normal with mean 69 inches and standard deviation 2.5 inches. Between what heights do the middle 95% of men fall? 

66.5-71.5
64-74
61.5-76.5
65-73

Tags

CCSS.HSS.ID.A.4

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the standard deviation for the data given:

5, 10, 7, 12, 0, 20, 15, 22, 8, 2

6.89

10.1

7.26

9

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What does this symbol represent?

Standard Deviation

Variance

Mean Absolute Deviation

Sigma

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

All of the below sets have the same mean.
Set 1-Standard Deviation=3.1
Set 2-Standard Deviation=4.9
Set 3-Standard Deviation=1.7
Set 4-Standard Deviation=3.2
Which set of data probably has the points closest to the mean?

1
2
3
4

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