Answer to Question #6220 in Algebra for mike

Question #6220
In the early years of microcomputers, school districts could not afford to buy a computer for every student. As the price of computers decreased, more and more school districts have been able to attain this goal. The following table lists numbers of students per computer during these early years. (a) Make a scatterplot of the data. Would a straight line model the data accurately? Explain. (b) Discuss how well the formula models these data, where S represents the students per computer and y represents the year. (c) In what year does the formula reveal that there were about 17 students per computer? S 5 125 1 1 0.7sy 2 1983d , y $ 1983 Year 1983 1985 1987 1989 Students/Computer 125 50 32 22 Year 1991 1993 1995 1997 Students/Computer 18 14 10 6
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