IM I Stats Test

#1

• F
• H
• G
• J

#2

• As traffic volume increases, vehicle speed increases.
• As traffic volume increases, vehicle speed increases at first, then decreases.
• As traffic volume increases, vehicle speed decreases.
• As traffic volume increases, vehicle speed decreases at first, then increases.

#3 Which graph best shows a positive correlation between the number of hours studied and the test scores?

• A
• B
• C
• D

#4 Use the scatter plot below to answer the following question. The police department tracked the number of ticket writers and number of tickets issued for the past 8 weeks. The scatter plot shows the results. Based on the scatter plot, which statement is true?

• no correlation
• negative correlation
• positive correlation
• positive then negative correlation

#5 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
• 18 chapters
• 15 chapters
• 21 chapters

#6 Which Scatterplot best represents the data in the table?

• A
• B
• C
• D

#7 A youth soccer team has eight players. The table shows the height and the weight of each of the eight players. Which scatterplot best represents the data in the table?

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• 
• 
• 

#8 Which of the following shows the line of best fit for the data on the graphs?

• 
• 
• 
• 

#9 Another name for correlation

• Association
• Line of Best Fit
• Causation
• Linear Regression

#10 Number of days absent from school vs. math average

• Positive Correlation
• Negative Correlation
• No Correlation