3.2 Part 3: Types of Distributions, Empirical Rule, & Chebyshev

Describe the data distribution shape of the graph.

• Skewed right
• Skewed left
• Uniform
• Symmetrical

Tags

CCSS.HSS.ID.A.1

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

Describe the histogram:

• Left Skewed
• Symmetrical
• Right Skewed
• Uniform

Tags

CCSS.2.MD.D.9

How would you describe this distribution?

• Left skewed
• Uniform
• Right Skewed
• Symmetrical

Tags

CCSS.3.MD.B.4

Describe the shape of the graph.

• Skewed right
• Skewed left
• Uniform
• Symmetrical

Tags

CCSS.HSS.ID.A.1

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

The display below shows a set of data points.
If several data points between 115 and 130 are removed, what is the effect on the display?

• The data becomes more peaked
• The data becomes less skewed
• The data becomes more skewed
• There is not enough information to determine the effect.

Tags

CCSS.HSS.ID.A.1

CCSS.HSS.ID.A.3

In a factory, the weight of the concrete poured into a mold by a machine follows a normal distribution with a mean of 1150 pounds and a standard deviation of 22 pounds. Approximately 95% of molds filled by this machine will hold weights in what interval? 

• 1084 to 1216 pounds 
• 1106 to 1150 pounds 
• 1106 to 1194 pounds 
• 1128 to 1172 pounds

Tags

CCSS.HSS.ID.A.4

A 12 oz can of soda has a mean volume of 12 oz, with a standard deviation of .25 oz. How common are cans with less than 11.5 oz of soda? Calculate the probability.

• 2.5%
• .15%
• 2.35%
• 2.25%

Tags

CCSS.HSF-LE.A.1B

At a local high school, GPA's are normally distributed with a mean of 2.9 and standard deviation of 0.6. What percentage of students at the high school have a GPA between 2.3 and 3.5?

• 68%
• 99.7%
• 95%
• 84%

Tags

CCSS.HSF-LE.A.1B

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.HSF-LE.A.1B

Students pass a test if they score 50% or more.
The marks of a large number of students were sampled and the mean and standard deviation were calculated as 42% and 8% respectively.
Assuming this data is normally distributed, what percentage of students pass the test?

• 5
• 16
• 24
• 32

Tags

CCSS.HSF-LE.A.1B