The Percentage of foreign-born population for each of 40 cities is represented below. Find the Variation. a=0.7, b= 4.5 L Class H Class a a+b-0.1 a+b a+2b-0.1 a+2b a+3b-0.1 a+3b a+4b-0.1 a+4b a+5b-0.1 a+5b a+6b-0.1 a+6b a+7b-0.1 2 f 13 N445W ow 10 3

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