Marketing researchers asked subjects to rate the sound quality of the new Tin Ear 2000 stereo on a scale of 1 (terrible) to 5 (excellent). One subject gave the Tin Ear 2000 a rating of 5; three subjects rated it a 4; nine subjects rated it a 3; fifty-three subjects rated it a 2; and ninety-eight subjects rated it a 1. What was the average rating of the Tin Ear 2000's sound? (Round to two decimal places.)
Question 2
There are three burger joints in Smallville. Gut Busters has 65 percent market share; Sliders has 20 percent market share; and Greazies has 15 percent market share. Total burger sales in Smallville last year totaled 2.5 million. How much of that amount was sold at Sliders?
Bronfenbrenner’s model of the ecological-systems approach to studying development. He suggested that
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