homework 3
Instructions
solve homework 3 and the slides can come in handy
Answer
Question 4-13Develop a regression model that could be used to predict the final average in the course based on the first test gradePredict the final average of a student who made an 83 on the first testFor X=83 Y=0.7398*83+18.9949 hence the final test will be 80.40Give the values of r and r2 for this model. Interpret the value of r2 in the context of this problemR=0.245293135r2 = -0.006275819Question 7-14In this case the number of air conditioners schedules for production will be =X1While the number of fans schedules for production will be =X2Therefore maximize 25X1=15X2 for maximum profit Which are all subject to 2X1+X2 140 (drilling capacity constraint)3X1=2X2 240 (For the wiring capacity constraints X1, X2 0 (For non-negativity constraints)Optimal solution: X1 =40X2 =60 ROFIT =1,900...
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