' Chapter 16 Test To help you review, the numbers in brackets show the section in which the topic was discussed. 1. The following are the numbers of cases of motor oil sold per week. by a regional distribu- tor on the East Coast. for each of the past 20 weeks. 12.450 11.300 12.800 10,850 14,100 14,900 12,300 I 1.600 12,400 12,900 13,300 12,500 13,390 12,800 12,500 15,100 13,700 12,200 11,800 12,600 Use these numbers to complete the following table. [16.1] Cases of Motor Oil Number of Weeks 10,00010,999 l 1.0001 1,999 l2.00012,999 1100013999 l4,000l4,999 15.00015,999 2. How many weeks had sales of 13,000 cases or more? [16.1] 3. Use the numbers in the table above to draw a bar graph. Be sure to put a title and labels on the graph. [16.1] 3. Use the numbers in the table above to draw a bar graph. Be sure to put a title and labels on the graph. [16.1] 4. During a l-year period, the campus newspaper at Midwest Community College had the following expenses. Find all numbers missing from the table. [16.1] DoIlar Percent Degrees Item Amount of Total of a Circle Newsprint $12,000 20% Ink $6,000 36 Wire service $18,000 30% Salaries $18,000 30% Other $6,000 10% 5. Draw a circle graph using the information in test question 4. [16.1] /\"\\ 678 Find the means for the following. Round to the nearest tenth if necessary. [16.2] 7. Number attending classical music recitals: 220, 275, 198, 212, 233, 246 7. 8. Length of boards (centimeters): 12, 18, 14, 17, 19, 22, 23. 25 8. 9. Weekly commission ($): 458, 432, 496, 491, 500, 508, 512, 396, 492, 504 9. 10. Volume 11. Sales (quarts) Frequency ($) Frequency 6 150 15 10 160 17 11 WNAWJ 170 21 14 180 28 19 190 19 24 - 200 7 Find the median for the following lists of numbers. Do not round. [16.2] 12. Numbers of actors trying out for a part: 22, 18, 15, 25, 20, 19, 7 12.13. Number of text messages received per hour: 41, 39, 45, 47, 38. 42, 51, 38 13. 14. Hours worked per day: 7.6, 9.3, 11.8. 10.4. 4.2, 5.3. 7.1. 9.0, 8.3 14. 15. Trees planted: 58. 76, 91. 83, 29, 34, 51, 92. 38, 41 15. Find the mode or modes for the following lists of numbers. [16.2] 16. Contestants' ages: 51, 47, 48, 32, 47, 71, 82. 47 16. 17. Customers served: 32, 51, 74, 19, 25, 43, 75, 82, 98, 100 17. 18. Defectives per batch: 96. 104, 103, 104, 103, 104, 91, 74, 103 18