Linear and quadratic trend lines

Assignment Help Algebra

Reference no: EM13119725

From 1997 through 2004, the value of US exports to Mexico was as shown below. Data are in billions of dollars.

Year: 1997 1998 1999 2000

Exports: $71.4 $78.8 $86.9 $111.3

Year: 2001 2002 2003 2004

Exports: $101.3 $97.5 $97.4 $110.8

a. Fit a linear trend equation to the time series. Using this equation, determine the trend estimate for 2012.

b. Fit a quadratic equation to the time series, then use the equation to determine the trend estimate for 2012.

c. Construct a graph of the time series along with the equations fitted in parts (a) and (b). Which equation appears to better fit the data?

Reference no: EM13119725

Questions Cloud

What are these probabilities not accepting the box : If the merchant samples the fruit, what are the probabilities of accepting a Good box, accepting a Bad box, and not accepting the box? What are these probabilities if he does not sample the fruit

Determine the optimal level of output : Find the quantity at which diminishing marginal returns set in and if the monopolist's goal is to maximize profits, and the monopolist charges all customers the same price, determine the optimal level of output.

Error in radius and error in volume : The top of a tower is a sphere with a diameter of 40ft. A layer of paint 0.08 inches thick is applied to the sphere. Approximate the volume of the paint that is used.

Estimate the value of the equilibrium constant : Estimate the value of the equilibrium constant at 610K for each of the following reactions. Delta Hf and S for BrCl is 14.6 kj/mol and 240.0 J/mol*K , respectively. Br2(g)+ Cl2(g) --> 2BrCl(g)

Linear and quadratic trend lines : From 1997 through 2004, the value of US exports to Mexico was as shown below. Data are in billions of dollars. Fit a linear trend equation to the time series. Using this equation, determine the trend estimate for 2012.

The probabilities that the sample contains 4 defective screw : Control A certain machine that is used to manufacture screws produces a defect rate of .01. A random sample of 20 screws is selected.

What is one piece of evidence that current global warming : What is one piece of evidence that the current global warming event is man-made?

What mass of sodium chloride is needed : What mass of sodium chloride, NaCl, is needed to make 389. g of a 3.89%(m/m) NaCl solution? (atomic masses: Na = 22.99, Cl = 35.45)

Algebra - open top box : A open box has a volume of 1000 cubic inches to be constructed from a 22 in by 30 in sheet of cardboard by cutting squares of equal size from each corner and folding up the sides. What size square should be cut from each corner?

User Account

All Pages