Stats Review

Mrs. Moises, the school counselor, keeps a candy jar in her office for students.  During one week, she kept count of how many students came to visit her and the number of candies in the jar, as show in the scatter plot.  Based on the trend line, what is the best prediction for the number of candies in the jar when 30 students visit her?

• 90
• 180
• 135
• 150

Tags

CCSS.HSF.BF.A.2

The graph shows a line of best fit for data collected on the amount of time teenagers spend on the computer and watching television.  Based on the line of best fit, how much time does a teenager spend watching television if they spend 2 hours on the computer?

• 150 minutes
• 135 minutes
• 165 minutes
• 180 minutes

Tags

CCSS.HSF.LE.B.5

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

Tags

CCSS.HSF-LE.A.1B

What type of correlation (association)?
The outside temperature and the amount of layers you wear. 

• Positive correlation
• Negative correlation
• No correlation
• All of the above

Tags

CCSS.HSS.ID.B.5

The number of siblings you have and your weight. 

• Positive correlation
• Negative correlation
• No correlation
• All of the above

Tags

CCSS.HSS.ID.B.5

What is the correlation?

• Negative correlation
• No correlation
• Positive correlation
• All of the above

Tags

CCSS.HSF-LE.A.1B

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

• A
• B
• C
• D

Tags

CCSS.HSF-LE.A.1B

Which of the following lines represents the line of best fit for the scatter plot?

• A
• B
• C
• D

Tags

CCSS.8.EE.B.5

Choose the graph with a trend line that best fits the data.

• graph 1

• graph 2

• graph 3

• graph 4

Tags

CCSS.8.EE.B.5

What percent of people who attended the basketball game also attended the school play?

• 38%

• 47%

• 25%

• 54%

Tags

CCSS.8.SP.A.4