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Unformatted text preview: Name: Date: Cumulative Test 4 Week 8: Chapters 8 and 9 Grading Criteria: 100 points total. 4 points per problem. 2 points for the correct answer and 2 points for supportive work. Show your work, watch for key words, and reduce all fractions and ratios to lowest terms. Round answers to the nearest tenth, unless otherwise indicated. Read each problem very carefully, to make sure you answer the question asked. Problem # Question Supportive Work And Answer Instructor Comments 1 a) Find the mean of the following set of numbers. 5, 8, 7, 11, 4 b) Find the mean of the following set of numbers. 12, 16, 19, 22, 28, 30 5 A) 8 7+ 11 4 35 ÷ 5= 7 Kristy L. Ritter MAT115 Page 1 B) 12 16 19 22 28 30 127÷ 6= 21.16 2 a) Find the median of the following set of numbers. 33, 72, 23, 27, 77, 68, 85 b) Find the median of the following set of numbers. 24, 26, 31, 33, 35, 36 23,27,33, 68,72,77,85 Kristy L. Ritter MAT115 Page 2 68 is the median 24,26, 31,33,35,36 31+ 33 =64 64 is the median 3 a) Find the mode of the following set of numbers. 11, 13, 13, 12, 11, 12, 13, 10, 14 b) Find the mode of the following set of numbers. 15, 14, 22, 21, 5, 19, 10 10,11,11,12,12, 13,13,13,14 13 is the mode There’s no number that has two or more to it Use for Kristy L. Ritter MAT115 Page 3 46 4 a) What is the population of Europe in 1950?a) What is the population of Europe in 1950?...
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This note was uploaded on 11/15/2010 for the course MATH math 115 taught by Professor Webb during the Spring '10 term at University of Phoenix.
 Spring '10
 webb
 Math, Algebra, Fractions, Ratios

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