mdm12Section2_P_OddSolutionsFinal

mdm12Section2_P_OddSolutionsFinal - Q1-5 Q7 CHAPTER 2...

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Unformatted text preview: Q1-5 Q7 CHAPTER 2 Review of Prerequisite Skills, p. 90 Solutions to Odd Number Problems 1. a) b) c) d) x(1.15) = 90.85 x = $79.00 x(1.15) = 19.54 x = $16.99 x(1.15) = 550.85 x = $479.00 x(1.15) = 74.39 x = $64.69 3. 35 − 5 0 × 10 0 % 50 = −30% percent reduction = 5. a) sorted data: 22, 26, 26, 27, 28 mean: 25.8, median: 26; mode: 26 b) sorted data: 11, 14, 16, 19, 23, 26, 29, 30 mean: 21, median: 21, no mode c) sorted data: 10, 10, 13, 18, 18, 30, 43 mean: 20.3, median: 18, bimodal: 10, 18 d) sorted data: 12, 25, 30, 52, 70, 70 mean: 43.2, median: 41, mode: 70 e) sorted data: 102, 126, 155, 260, 370, 440 mean: 242.2, median: 207.5, no mode f) sorted data: 24, 24, 32, 32, 32, 35, 36, 37, 38, 42 mean: 33.2, median: 33.5, mode: 32 Top 7. Day Number of CDs Sold Monday 48 Tuesday 52 Wednesday 44 Thursday 65 Friday 122 Saturday 152 Sunday 84 Total = 567 % 8.47% 9.17% 7.76% 11.46% 21.52% 26.81% 14.81% Sector Angle in Degrees 30.5 33.0 27.9 41.3 77.5 96.5 53.3 Num ber of CDs Sold 15% 8% Monday 9% 8% Tuesday W ednesday Thursday 27% 11% Friday Saturday 22% Top Sunday ...
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This note was uploaded on 01/23/2012 for the course MATHS MDM-01 taught by Professor Mr.m during the Spring '10 term at Seneca.

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mdm12Section2_P_OddSolutionsFinal - Q1-5 Q7 CHAPTER 2...

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