mdm12Section3_5_OddSolutionsFinal

mdm12Section3_5_OddSolutionsFinal - Q1-3 Q5-9 CHAPTER 3...

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Q1-3 Q5-9 CHAPTER 3 Section 3.5, pp. 209–211 Solutions to Odd Number Problems 1. Poor attendance could be a result of mathematics anxiety. 3. Height (cm) Grade Average (%) 171 73 145 91 162 70 159 81 178 68 y = –0.6794x + 187.34 r 2 = 0.814 r = –0.9022 a) The result suggests a strong negative correlation since r = 0.9022. b) The results of this analysis are invalid because the sample size is too small to make any conclusion meaningful. c) A much larger data set must be used to get more accurate results.
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