Math 227 Spring 2006 Test #1

Kelly gets test grades of 65, 83, 80, and 90. She gets a 82 on her final exam, and she gets a 75 on her project. Find the weighted mean if the tests count as 15% each, the final exam count as 30%, and the project count as 10%. [6 points] The following data show the method of payment by 16 customers in a supermarket checkout line. ................
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