# NMTA Math: Tables, Plots & Graphs Chapter Exam

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### Page 1

#### Question 1 1. Savanna and Jon are arguing over the use and definition of a frequency polygon. Jon says that a frequency polygon must always be shown with the histogram bars. Savanna says that a frequency polygon can be shown with or without the bars. Who is right, and why?

#### Question 2 2. 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?

#### Question 3 3. What can we show using a histogram?

#### Question 4 4. Can you identify this chart?

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Question 5
5.
If this stem-and-leaf display is based on the data set below, then what is TRUE about the stem-and-leaf display?

10, 12, 7, 1, 4, 13, 7, 6, 13

### Page 2

#### Question 6 6. 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?

#### Question 7 7. To create a frequency polygon, you must first:

#### Question 8 8. A stem-and-leaf display is constructed for a set of numbers all less than 100. What should the stem in the stem-and-leaf display represent?

#### Question 9 9. When you find a relationship in bivariate data, you are looking at a positive or a negative _____.

#### Question 10 10. 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 11 11. The Bar Graph, 'Top Ten U.S Rentals in 1999', shows the top ten movies in the U.S during the year. Which movie had about 150 million in rentals?

#### Question 12 12. Using the box plot provided, what is the rectangle circled in red?

#### Question 13 13. 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?

#### Question 14 14. Using the box plot provided, what is the vertical line circled in red?

#### Question 15 15. Looking at the pie chart 'Who Sells The Most Fast Food?', how many sectors can be determined?

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#### Question 16 16. What is the term for data that is grouped by type or object, not by numbers?

#### Question 17 17. A dot plot is a visual representation of data using intervals or categories of variables, with each dot representing _____.

#### Question 18 18. Histograms are very similar to what other graphical representation of numbers?

#### Question 19 19. A chart that shows the popularity or mode of a certain type of data is what?

#### Question 20 20. 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 21 21. Using the bar graph 'Top Ten U.S. Rentals in 1999', which movie had the 2nd highest movie rental revenue?

#### Question 22 22. What are groups of information that are scaled and separated equally?

#### Question 23 23. A condition or piece of data in an experiment that is controlled or influenced by an outside factor is considered what type of variable?

#### Question 24 24. Using the box plot provided, what is the vertical line circled in red?

#### Question 25 25. What does the vertical, or y-axis, on a frequency polygon show?

### Page 6

#### Question 26 26. What is a chart that shows the popularity or mode of a certain type of data?

#### Question 27 27. What is a graphical representation of the distribution of data?

#### Question 28 28. What is the shape of a graph that peaks to the left or the right of the center?

#### Question 29 29. One variable in a data set that is analyzed to describe a scenario or experiment is called _____

#### Question 30 30. What is this type of chart?

#### NMTA Math: Tables, Plots & 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 yellow "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!