Scatterplot review

What type of relationship, fuction and correlation does this graph have?

• increasing

  exponential

  strong

• decreasing

  linear

  weak

• increasing/decreasing

  optimal

  strong

• no relationship

Tags

CCSS.HSF-LE.A.1B

What is the type of relationship do these variables have?

• increasing (direct)

• no relationship

• decreasing (indirect)

• optimal

What type of relationship is there between variables?

• increasing (positive)

• decreasing (negative)

• optimal

• none

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 

• 12 chapters
• 15 chapters
• 18 chapters
• 21 chapters

Which graph shows a line of best fit for the scatter plot?

• Graph A
• Graph B
• Graph C
• Graph D

Tags

CCSS.8.EE.B.5

Which scatter plot has a stronger correlation? How do you know?

• Scatter Plot A

  points are close together

• Scatter Plot B

  points are more linear

As a listener gets farther from a speaker, an inverse-square relationship is formed between the sound intensity, I, and the radial distance, r. If a person was a distance of 3m from the speaker, what would the sound intensity be?

• 0.05 dB

• 0.1 dB

• 0.5 dB

• 1.0 dB

Tags

CCSS.8.EE.B.5

Which graph shows the best trendline to represent the data?

• 
• 
• 
• 

Tags

CCSS.8.EE.B.5

What conclusion can be drawn from the graph?

• The number of weeks practice is indirectly proportional to the score at a violin competition.

• The number of weeks practice is unrelated to the score at a violin competition.

• The number of weeks practice is proportional to the square of the score at a violin competition.

• The number of weeks practice is linearly-related to the score at a violin competition.

Describe the relationship, fuction, and correlation of the scatter plot

• Increasing

  linear,

  weak correlation

• Decreasing

  exponential

  strong correlation

• Decreasing

  linear

  weak correlation

• no relationship

Tags

CCSS.HSF-LE.A.1B