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SBA Math - Grade 8: Data & Graphs Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1.

What type of information can a graph show?

A: Functions

B: Data

C: Both functions and data

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Question 2 2.

Which of the following rows should be part of the stem-and-leaf display for the following data set?

1, 53, 22, 33, 22, 23, 32, 7

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Question 3 3. What is one variable in a data set that is analyzed to describe a scenario or experiment?

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Question 4 4. If you have a data set, and you need to look at what numbers in the population fall below a certain value, what is a visual representation you can create to help analyze the data?

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Question 5 5. Why might we represent a data set with a box plot?

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Page 2

Question 6 6. What is a condition or piece of data in an experiment that can be controlled or changed?

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Question 7 7. What type of data uses two sets of variables that can change and are compared to find relationships?

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Question 8 8. Using this chart, determine the percent increase of bus riders.

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Question 9 9.

Which friend has 7 puppies?

Friend # of Puppies
Sarah 3
Susie 5
Jack 7

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Question 10 10. The bar graph shows the top five grossing movies from 2015. Which movie made approximately $450 million?

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Page 3

Question 11 11. What is a line graph created by joining all of the top points of a histogram?

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Question 12 12. This graph shows the number of rabbits a breeder has each month. When did the breeder reach 100 rabbits?

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Question 13 13. Which of the following data sets can I graph on a histogram?

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Question 14 14. How many teens would not pick chocolate?

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Question 15 15.

Elizabeth wanted to know the gender and the hair color of each of her classmates. She arranged the results of this survey into a two-way table, shown below.

According to the table, what is the joint relative frequency of boys with red hair?

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Page 4

Question 16 16. Histograms are very similar to what other graphical representation of numbers?

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Question 17 17. What is the term for data that is grouped by type or object, not by numbers?

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Question 18 18. What is a chart that shows the popularity or mode of a certain type of data based on the population sampled?

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Question 19 19. What is a table (in mathematics)?

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Question 20 20. What is a visual representation of data where numbers on the left side of a chart show one part of each value, while numbers on the right side of the chart show the other?

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Page 5

Question 21 21.

Consider the following data set. What is the mode?

11, 12, 8, 9, 17, 8, 1, 12, 13, 14, 14, 8, 3

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Question 22 22. What is a chart that shows the popularity or mode of a certain type of data?

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Question 23 23. Using the box plot provided, what is the vertical line circled in red?

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Question 24 24. What is a graph of ordered pairs showing a relationship between two sets of data?

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Question 25 25. A scientist is conducting an experiment on mice, seeing how their weight is affected by the volume of cheese they're given. What is the independent variable in this experiment, and why?

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Page 6

Question 26 26. Using the table below, determine the relative win frequency for the Lions rounded to the closest whole percent.

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Question 27 27.

When are we supposed to go to Algebra class?

Time Class
7 am English
8 am Algebra
9 am Science
10 am History

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Question 28 28. The bar graph shows the top five grossing movies from 2015. What was the second highest grossing movie?

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Question 29 29. Jonathon has two data sets that have the same sample size. He has already created a frequency table for each set of data. What is a good way to compare this data visually?

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Question 30 30. This graph shows the number of rabbits a breeder has each month. In which month did the breeder have 40 rabbits?

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SBA Math - Grade 8: Data & Graphs Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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