The Normal Distribution

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

• 100
• 25
• .5
• 1

Tags

CCSS.7.SP.C.7A

In a normal distribution, what percentage of data falls within 1 standard deviation? 

• 25%
• 68%
• 95%
• 99.7%

Tags

CCSS.HSS.ID.A.4

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.

What characteristics does a normal distribution have? Select all that apply.

• Symmetrical

• Bell-shaped

• Arises in nature when many different factors affect the value of the variable.

Measures the center of the distribution and is the symmetrical line of a normal curve.

• mean

• median

• mode

• standard deviation

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

Measures the spread of the distribution.

• standard deviation

• mean

• median

• z-score

Tags

CCSS.6.SP.A.3

• 69

• 101

• 53

• 85

Tags

CCSS.HSS.ID.A.4

• 16

• 32

• 69

• 64

Measure of how many standard deviations below or above the population mean is called:

• z-score

• standard distribution

• normal distribution

• z-transformation

What does this $Z\sim\left(0,\ 1^2\right)$ represent?

• Standard Normal Distribution

• Normal Distribution

• Random Variable

• Z-transformation