Statistics Test 5/2019

What does 8|9 represent?

• 8.9
• 890
• 89
• 8

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

CCSS.6.EE.A.4

CCSS.6.EE.B.6

What is this stem and leaf plot missing that prevents us from knowing what 3|4 is?

• It is missing color.
• The key!
• The title.

What is the median of this stem and leaf plot?

• 70
• 7
• 77.5
• 76

What is the mode of this data?

• 80's
• 67, 77, and 82
• Only 82

How do we find the mean of a set of data?

• Find the number that occurs the most.
• Add up all the values and divide by how many there are.
• Find the middle number
• Subtract the lowest number from the highest.

A chemist has a 100-gram sample of a radioactive material.  He records the amount of radioactive material every week for 6 weeks and obtains the following data: Find the exponential model of the function.

• y = 100(8.7)^x
• y = 100(1.87)^x
• y = 100(.87)^x
• y = 100(.13)^x

Tags

CCSS.HSF.LE.A.2

Ervin bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Ervin's scores?

• 193
• 127
• 60
• 66

How would you describe this distribution?

• Left skewed
• Uniform
• Right Skewed
• Symmetrical

Describe the shape of the graph.

• Skewed right
• Skewed left
• Uniform
• Symmetrical

Describe the shape of the graph.

• Skewed right
• Skewed left
• Uniform
• Symmetrical

Tags

CCSS.6.SP.A.2

CCSS.6.SP.B.5