Question

In: Advanced Math

Given stream depth (x-values) and flow (y-values) in the table below: X Y 0.34 0.636 0.29...

Given stream depth (x-values) and flow (y-values) in the table below:

X Y
0.34 0.636
0.29 0.319
0.28 0.734
0.42 1.327
0.29 0.487
0.41 0.924
0.76 7.350
0.73 5.890
0.46 1.979
0.40 1.124

(a) Find the equation of the form: y = βo + β1x + β2x2that fits the data.

(b) Compare your answer in (a) to a loge transformation for both x and y.

(c) Compare your answers in (a) and (b) to a square root of y transformation.

(d) Specify the equation/ data transformation you would choose. Show all equations developed and R2 values. Provide the digital file for the software application used for this problem.

Solutions

Expert Solution

Answer:

a)

b)

c)

y = 1.2765x2 + 3.6184x + 1.2699
R² = 0.9416


Related Solutions

The stream function for an incompressible flow is given by Y(x,y) = 2x2 – 2y2 –...
The stream function for an incompressible flow is given by Y(x,y) = 2x2 – 2y2 – xy. Determine if this flow satisfies the equation of continuity (the mass balance). On the graph below (or on your own paper), pick a point in each quadrant and determine the magnitude and direction of the velocity at that point. Indicate the magnitude and direction by drawing an arrow on the graph for each point. Use numbers.
Calculate the Y values corresponding to the X values given below.  Find the critical values for X...
Calculate the Y values corresponding to the X values given below.  Find the critical values for X for the given polynomial by finding the X values among those given where the first derivative, dy/dx = 0 and/or X values where the second derivative, d­2y/dx2 = 0.    Be sure to find the sign (+ or -) of  dy/dx and of d2y/dx2 at all X values. Reference Lesson 13 and the text Appendix A (pp 694 – 698), as needed.  Using the first and second derivative...
Given the following table of x and y values, test the claim that there is a...
Given the following table of x and y values, test the claim that there is a linear correlation. Use a .05 significance level. x|12 10 9 7 8 y | 182 169 155 140 144 For this particular problem, here’s the information you need to include: Step 1 Ho= Ha= Step 2 Signifcance level a= Step 3 Test: p-value: Step 4 Conclusion (Yes/No): Is there sufficient evidence to conclude that there is a linear correlation? 8. Find the regression equation...
Calculate the Y values corresponding to the X values given below. Find the critical values for...
Calculate the Y values corresponding to the X values given below. Find the critical values for X for the given polynomial by finding the X values among those given where the first derivative, dy/dx = 0 and/or X values where the second derivative, d¬2y/dx2 = 0. Be sure to indicate the sign (+ or -) of dy/dx and of d2y/dx2 tabled values. Using the first and second derivative tests with the information you have calculated, determine which X value(s) represent...
Calculate the Y values corresponding to the X values given below. Find the critical values for...
Calculate the Y values corresponding to the X values given below. Find the critical values for X for the given polynomial by finding the X values among those given where the first derivative, dy/dx = 0 and/or X values where the second derivative, d­2y/dx2 = 0.    Be sure to find the sign (+ or -) of dy/dx and of d2y/dx2 at all X values. Reference Lesson 13 and the text Appendix A (pp 694 – 698), as needed. Using the...
Calculate the Y values corresponding to the X values given below. Find the critical values for...
Calculate the Y values corresponding to the X values given below. Find the critical values for X for the given polynomial by finding the X values among those given where the first derivative, dy/dx = 0 and/or X values where the second derivative, d­2y/dx2 = 0. Be sure to indicate the sign (+ or -) of dy/dx and of d2y/dx2 tabled values. Reference Power Point Lesson 13 as needed. Using the first and second derivative tests with the information you...
Calculate the Y values corresponding to the X values given below. Find the critical values for...
Calculate the Y values corresponding to the X values given below. Find the critical values for X for the given polynomial by finding the X values among those given where the first derivative, dy/dx = 0 and/or X values where the second derivative, d­2y/dx2 = 0. Be sure to indicate the sign (+ or -) of dy/dx and of d2y/dx2 tabled values. Reference Power Point Lesson 13 as needed. Using the first and second derivative tests with the information you...
8. Given the following table of x and y values, test the claim that there is...
8. Given the following table of x and y values, test the claim that there is a significant linear correlation. Use a .05 significance level. You do not have to find an equation. x|    12    10        9      7       8 y| 175    169   182   146   144
The values of y and their corresponding values of y are shown in the table below...
The values of y and their corresponding values of y are shown in the table below x 2 3 4 4 6 y 2 3 5 4 6 A) Calculate the coefficient of correlation; B) Calculate the coefficient of determination; C) Obtain the regression coefficients and write the regression expression; D) Provide your prediction of the dependent variable if the value of the independent variable is 4.
for the quantitative variables x and y are given in the table below. These data are...
for the quantitative variables x and y are given in the table below. These data are plotted in the scatter plot shown next to the table. In the scatter plot, sketch an approximation of the least-squares regression line for the data. x y 7.4 6.6 4.0 5.0 2.0 3.9 3.1 5.0 9.4 8.4 4.7 5.9 6.6 6.2 8.5 6.9 7.9 7.3 1.6 3.7 4.4 4.6 2.8 3.9 2.7 3.1 5.7 6.3 5.9 7.3 9.7 8.3 6.9 6.3 8.8 8.4 x...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT