Scatterplots Practice

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.  Which statement is true?

• More ticket writers results in fewer tickets issued.
• There were 50 tickets issued every week.
• When there are 10 ticket writers, there will be 800 tickets issued.
• More ticket writers results in more tickets issued.

Tags

CCSS.HSF.LE.B.5

Mr. Thomas wanted to know if the amount of class time that he gave students to study affected their test scores.  What kind of relationship between class study time and test scores is shown on the scatter plot.

• No correlation
• Positive correlation
• Negative correlation
• Positive then negative correlation

Tags

CCSS.HSF.LE.B.5

The following scatter plot shows the weights and lengths of some dinosaurs.  Which statement accurately describes the information?

• The information shows a positive correlation.  The weight of a dinosaur tends to increase according to its length.
• The information shows a negative correlation.  the weight of a dinosaur tends to decrease according to its length.
• The information shows no correlation.  The weight and length vary according to the type of dinosaur.
• The information shows no correlation.  The relationship between the weight and length of a dinosaur is uncertain.

Tags

CCSS.HSF.IF.B.4

This scatterplot could show the relationship between which two variables?

• speed of an airplane (x) vs. distance traveled in one hour (y)
• outside air temperature (x) vs. air-conditioning costs (y)
• age of an adult (x) vs. height of an adult (y)
• distance traveled (x) vs. gas remaining in the tank (y)

Tags

CCSS.HSS.ID.B.6

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

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

Tags

CCSS.8.EE.B.5

This scatter plot shows the average traffic volume and average vehicle speed on a certain freeway for 50 days in 1999.  Which statement best describes this relationship.

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

Tags

CCSS.HSF.IF.B.4

Which equation could describe the line of best fit for this graph?

• y = 5x + 236
• y = -5x + 236
• y = 1/5x + 236
• y = -1/5x + 236

Tags

CCSS.8.EE.B.5

Based on the line of best fit for the scatter plot, which of the following amounts is closest to the cost of a 120-minute phone call?

• $10

• $12

• $15

• $20

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

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. 

• 16 chapters
• 17 chapters
• 18 chapters
• 20 chapters

Tags

CCSS.HSA.CED.A.2

CCSS.HSF.IF.B.4

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

What type of correlation does this graph have?

• positive
• negative
• none
• all of the above