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9. The following data give the starting salary for students who recently graduated from a local university and accepted jobs soon after graduation. The starting salary, grade-point average (GPA), and major (business or other) are provided. Salary $29,500 $46,000 $39,800 $36,500 GPA 3.1 3.5 3.8 2.9 Major Other Business Business Other Salary $42,000 $31,500 $36,200 Major Business Other Business (a) Using a computer, develop a regression model that could be used to predict starting salary based on GPA and major. (b) Use this model to predict the starting salary for a business major with a GPA of 3.0. (c) What does the model say about the starting salary for a business major compared to a nonbusiness major? (d) Do you believe this model is useful in predicting the starting salary? Justify your answer, using information provided in the computer output.
A garden table and a bench cost $1000 combined. The cost of the garden table is three times the cost of the bench. What is the cost of the bench?
Helium is pumped into a spherical balloon at a constant rate of 2 cubic feet per second. How fast is the radius increasing after 3 minutes? At what time (if any) is the radius increasing at a rate of 120 feet per second?
A spherical ballon is being inflated at the rate of 5 cubic inches a minute. At what rate is the radius changing after ten minutes?
what is the distance between the origin and the point (5,-19)? if necessary, round your answers to two decimal places.
The manager of a store Finds that it costs $2200 to manufacture 100 chairs in one day and $4800 to produce 300 chairs in one day. FInd the equation of cost as a function of number of chairs produced assuming that it is a linear relationship.
The number attending is 2/3 of the previous year's attendance, in what year will the attendance be less than 1/3 the original attendance
An object is dropped from the top of a 576 feet tall building. The height h (in feet) of the object t seconds after it is dropped is given h+-16*t^2+576. How long does it take the object to hit the ground?
Write the equation of the trend line. Do the scores support an increasing or a decreasing trend?
let s be the solid obtained by intersecting two cylinders of radius r whose axes intersect at an angle theta. find the volume of S as a function of r and theta.
you can earn 5% per year compounded annually for the next 4 years, followed by 8% per year compounded quarterly for 5 years. What is the average annual compounded rate of return over the 9 year period? Express your answer with monthly compounding.
a class budget consist of $900 for dances, $1,200 for trips, and $600 for charity. If the data were presented in a circle graph, what would be the angle measure of the part labeled "dances"?
A rectangular storage unit has dimensions 1 m by 2 m by 3 m. If each linear dimension is increased by the same amount. What increase would create a new storage unit with a volume 10 times the original
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