Mathematics, 17.06.2021 01:20 kay9776

The data is given to an eager NWIC statistics student who calculates the following information: Correlation Coefficient: r = -0.80
Trend Line: y = -0.1 * x + 18 where x = mileage and y = sale price
a. What is the slope of the trend line? Interpret this value in terms of mileage and sale price.
b. Is the relationship between mileage and sale price positive or negative? Why?
c. Suppose a car had 50,000 miles on the odometer. What is the prediction for the sale price? How confident would you be about this prediction? Why?
d. Suppose a car is taken in trade that has 95,000 miles on it. What is the predicted sale price? How confident would you be about this prediction? Why?

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 15:00

"princess tower" in dubai is considered the world's tallest residential building, towering to 1 0 1 101 floors! t ( n ) t(n) models the number of tenants living on floor n n of the tower. what does the statement t ( 2 0 ) = t ( c ) t(20)=t(c) mean?

Answers: 2

Answer

Mathematics, 21.06.2019 19:30

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

Answers: 1

Answer

Mathematics, 21.06.2019 20:30

The graph of y x3 is translated so that the point (1. 1) is moved to (1, 4). what is the equation of the new graph?

Answers: 1

Answer

Mathematics, 21.06.2019 22:00

Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. the lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. the height of the trapezoid is 12 ft.what is the area of the stage? enter your answer in the box. ft²

Answers: 2

Answer

You know the right answer?

The data is given to an eager NWIC statistics student who calculates the following information: Cor...

Questions

Mathematics, 21.01.2021 23:40

Triangle MNL and ZXY are congruent. Which angle corresponds to angle L?