Name: Class: Date: Secondary I- CH. 10 Test REVIEW 1. Which type of thin-crust pizza was most popular? a. cheese b. veggie c. pepperoni d. everything 2. At which vending machine were granola bars least popular? a. A b. B c. C d. D 1
Name: Could You Participate in Our Survey? Interpreting Frequency Distributions Vocabulary Match each definition to its corresponding term. a. categorical data b. two-way frequency table c. d. joint frequency e. frequency marginal distribution 3. displays the frequencies for categorical data in a two-way table 4. non-numerical data that can be grouped into categories 5. any frequency you record within the body of a two-way frequency table 6. displays the total of the frequencies of the rows or columns of a 7. displays categorical data by representing the number of occurrences that fall into each group for two variables 8. A cookie shop owner wants to offer a milk and cookies special. The table shows the types of cookies and milk ordered together one Saturday. The owner decides that only the most popular type of milk will be offered as a special. The cookies will be the two most popular types for that milk. What should the specials be? a. chocolate milk with sugar and oatmeal cookies b. hot chocolate with chocolate chip and fudge cookies c. chocolate milk with chocolate chip and fudge cookies d. hot chocolate with sugar and oatmeal cookies 2
Name: 9. According to the graph, what percentage of visits to the traffic topic were from people in the southeast? a. 10% b. 20% c. 30% d. 70% 10. A television station collects data about which topics are most popular on its website from visitors in different regions of the city. The graph represents the data. What can the station conclude from the data? a. The most popular topic for all areas is news. b. The least popular topic for all areas is traffic. c. People in the southeast of the city are most interested in traffic. d. People in the northwest of the city are most interested in news. 3
Name: 11. A coffee shop manager records the combinations of coffee and sweetener ordered one day. Which combination was ordered least? a. coffee with skim milk and artificial sweetener b. coffee with soy milk and artificial sweetener c. coffee with creamer and artificial sweetener d. black coffee with no sweetener 12. Josh took a poll of the favorite types of desserts of a group of students. The graph shows his results. What can you conclude from the graph about the most popular dessert? a. Ice cream is the most popular dessert among 8th graders. b. Pie is the most popular dessert among 7th graders. c. Cake is more popular than pie among 8th graders. d. Candy is more popular than ice cream among 7th graders. 4
Name: Pre-Test 13. The manager of a small restaurant wants to offer soup and sandwich combination meals for lunch specials. To decide what to include in each special, she records the types of soup and sandwiches customers order for several days. The table shows the results. a. Create a frequency marginal distribution of the data. b. Construct a bar graph of the frequencies. Let the x-axis represent the type of soup. 5
Name: c. What conclusions can you draw by examining the graph? d. Construct a relative and relative frequency marginal distribution e. Construct a relative frequency conditional distribution for the four types of sandwiches. 6
Name: f. What can you conclude from the relative frequency conditional distribution? g. Analyze each of the tables and the graph you created to represent the lunch items data. Which do you feel would be most helpful to the restaurant manager when choosing soup and sandwich combinations for lunch specials? Based on the tables and graph, what do you think the specials should be? Explain your choices. 14. A vending machine company wants to decide how to stock their machines. The graph shows the sales at four machines one week. According to this data, how do the sales at the different machines compare? a. Granola bars are more popular at B than at C. b. Chips are more popular at A than at B. c. Candy bars are more popular at D than at B. d. Nuts are more popular at C than at A. 7
Name: 15. According to the graph, how many more people ordered pancakes than cereal? 16. a. 15 b. 20 c. 25 d. 30 Construct a stacked bar graph of each relative. 8
Secondary I- CH. 10 Test REVIEW Answer Section 1. ANS: C PTS: 1 REF: 10.2 NAT: S.ID.5 KEY: relative relative frequency marginal distribution 2. ANS: D PTS: 1 REF: 10.3 NAT: S.ID.5 KEY: relative frequency conditional distribution 3. ANS: C PTS: 1 REF: 10.1 NAT: S.ID.5 TOP: Skills Practice 4. ANS: A PTS: 1 REF: 10.1 NAT: S.ID.5 TOP: Skills Practice 5. ANS: D PTS: 1 REF: 10.1 NAT: S.ID.5 TOP: Skills Practice 6. ANS: E PTS: 1 REF: 10.1 NAT: S.ID.5 TOP: Skills Practice 7. ANS: B PTS: 1 REF: 10.1 NAT: S.ID.5 TOP: Skills Practice 8. ANS: A PTS: 1 REF: 10.3 NAT: S.ID.5 KEY: relative frequency conditional distribution 9. ANS: C PTS: 1 REF: 10.3 NAT: S.ID.5 KEY: relative frequency conditional distribution 10. ANS: C PTS: 1 REF: 10.3 NAT: S.ID.5 KEY: relative frequency conditional distribution 11. ANS: B PTS: 1 REF: 10.1 NAT: S.ID.5 12. ANS: B PTS: 1 REF: 10.1 NAT: S.ID.5 1
13. ANS: a. b. c. Answers will vary. d. Tomato soup seems to be the least favorite type of soup. BLT seems to be the favorite type of sandwich. Ham sandwich seems to be the least favorite type of sandwich. 2
e. f. Answers will vary. Vegetable soup is the favorite in combination with most sandwiches. Chicken noodle soup is the favorite in combination with a turkey sandwich. Tomato soup is the least favorite overall and in combination with any sandwich. g. Answers will vary. The relative frequency conditional distribution best displays the combinations. Based on these data, I think the combinations should be vegetable soup with a BLT, ham sandwich, or cheese sandwich because the largest percent of these sandwiches were ordered with vegetable soup. I would also offer chicken noodle soup with a turkey sandwich because the greatest percentage of turkey sandwiches were served with chicken noodle soup. PTS: 1 REF: 10.1 10.2 10.3 10.4 NAT: S.ID.5 S.ID.5 S.ID.5 S.ID.5 3
TOP: Pre Test relative relative frequency marginal distribution relative frequency conditional distribution 14. ANS: C PTS: 1 REF: 10.3 NAT: S.ID.5 KEY: relative frequency conditional distribution 15. ANS: B PTS: 1 REF: 10.1 NAT: S.ID.5 16. ANS: PTS: 1 REF: 10.2 NAT: S.ID.5 TOP: Skills Practice KEY: relative relative frequency marginal distribution 4