Name#Date Chapter 3 Test- Answer Key Organize, Display, and Interpret Data Tips For Taking The Test Here are some suggestions to help you do your best: Be sure to read carefully all the directions in the test book. Read each question carefully and think about the answer before choosing your response. 1 2 How many team members does the data set include? A. 5C. 16 B. 6D. 15 How many team members scored 2 points? A. 1 C. 5 B. 3D. 6 For questions 1 and 2 use the line plot below Answer Column Coach Green recorded how many points each team member scored during the game. PART 1: Multiple Choice Number of Points Scored xxxxxx2xxxxxx2 xxxx1xxxx1 A A XXX3XXX3 X4X4 XX5XX5 XXXX1XXXX1 XXXXXX2XXXXXX2

5 4 3 What is the mode of this data? A. 2C. 4 B. 3D Number of hours Kyle listened to the radio: 2, 3, 2, 1, 4, 4, 1, 2, 9 Which number is the outlier in the data set? A. 1C. 4 B. 3D. 9 For questions 3 – 5, use the set of data below. What is the median of the data? A. 1C. 4 B. 3D. 2 A D D

For questions 6 - 7, use the grid showing all possible outcomes of spinning two spinners. How many possible outcomes are there? A. 12C. 8 B. 10D , 11, 21, 31, 4 2 2, 12, 22, 32,,4 3 3, 13, 23, 33, 4 What is the probability of spinning a 2 on the first spin? A. C. B. D First Spin Second Spin A D

For questions , use the double bar graph below. What is the total number of people surveyed? A. 5C. 40 B. 38D Which vacation spot is the favorite of the most boys and girls? A. HawaiiC. Texas B. FloridaD. New York 9 9. Favorite Vacation Spots Number of People HawaiiTexasFloridaNew York California BoysGirls How many girls say that California is their favorite vacation spot? A. 1C. 3 B. 2D D B B

For questions , use the bar graph below. How many fruit smoothies were sold in the month of October? A. 650C. 800 B. 700D How many more fruit smoothies were sold in August than in December? A. 600C. 800 B. 700D Fruit Smoothies Sold Number of Fruit Smoothies Sold JulyAug.Sept.Oct.Nov.Dec. A C

The Toss Game has 6 rings. The first ring is worth 4-points, the second rings is worth 8-points, and the third ring is worth 12-points. If the pattern continues, what is the sixth ring worth? A. 16C. 24 B. 20D What is the median of this set of numbers? 2, 4, 7, 3, 5, 5, 6 A. 2C. 5 B. 4 D. 7 Solve. At a class party, each student brings 2 guests. If there are 84 people at the party, how many are students? A. 28C. 24 B. 84D C Toss Points ÷ 3 = 28 A C 2, 3, 4, 5, 5, 6, 7

16 17 Find the mode. 9, 5, 4, 3, 4, 5, 7, 5 Answer ______________ Pads of paper come with 100 pieces of paper. There are 32 students in class. If each student uses 10 pieces of paper how many notebooks does the class need? –Show Your Work. Answer _____________notebooks PART 2: Short Answer For questions 9 5, 5, 5 4, x 10= ÷ 100 = 300 R20

18 Linda is making lunch for 3 friends. Each person must have 1 sandwich, 2 drinks, and 15 chips. How many food items will Linda need for the lunch? Show your work. Answer _________________food items spinning an even number 19 For questions 19 – 20, Use the spinner to describe the probability of each outcome. Use certain, likely, equally likely, unlikely, or impossible spinning a zero x 3 = evenly likely even - 2, 4, 6, 8 odd –1, 3, 5, 7 impossible

While Ryan waited for his mom to finish shopping, he watched people go by and recorded the color of their shirts. Here is what he saw: Color of shirts: red, white, blue, white, tan, red, tan, red, purple, red, blue, purple, blue, white, red, blue, white, tan, purple, white, tan, red, blue, blue, white 21 Extended Response- 2-points Color of Shirts ColorTally Red Purple Tan Blue White Part A: Organize this data in a tally chart. Color of Shirts ColorNumber of Shirts Red Purple Tan Blue White Part B: Organize this data in a frequency table. l l l l l l l l l l l l

22 Extended Response- 3-points Keith throws a ball at a target with 4 equal sections marked 1 – 4. He then throws a ball with two equal sections colored red and blue. Part A: List all of the possible outcomes. 1- Red, 1- Blue 2-Red, 2- Blue 3-Red, 3-Blue 4-Red, 4-Blue Part B: How many total outcomes are there? 8 total outcomes Part C: Explain how you know your answer is correct. I listed all the possible outcomes for number 1, then for number 2, then for number 3, and finally for number 4 – I then counted all the possible outcomes – I also multiplied 4x2=8 just to be sure.