1.For the data given, find the equation of the best-fitting line.
x | 3 | 4 | 6 | 8 | 10 |
y | 5 | 5 | 7 | 5 | 9 |
2.For the data given, approximate the equation of the best-fitting line.
x | 2 | 3 | 7 | 8 | 10 |
y | 4 | 5 | 4 | 7 | 6 |
1.For the data given, find the equation of the best-fitting line. x 3 4 6 8...
in MATLAB Curve fitting Given the following data, find the best linear functional relationship and cubic functional relationship using “polyfit,” “polyval,” and “plot” built-in functions. Plot all three fits that you got from Matlab. A rough plot by hand is allowable. You do not need to provide any codes. x = [-3, -2, 0, 1, 3, 4, 6, 7, 8, 9]; y = [5, 7, 8, 10, 6, 2, -4, -6, -2, 1];
4) Given the equation: y = 1.55 x +7 a) Find the slope of the line. b) Find the y-intercept. c) Find two points on the line where x = 3 and y = -7 5) Given the equation y = - 4x, +0.75x + 2 a) Find y on the line where xy = 9 and again where x2 = -6 b) Find the new value of y when x1 = 4 while X2 is held constant at -7....
ce the given data to find the equation of the regression line. Fill out the table below and show how you calculate each value below. Round the final values of a and b to three decimal places, if necessary. 5) x 0 3 4 5 12 y 8 2 6 9 12 5) X-7 y-y (x-7)(y- 0 3 y 8 2 6 9 4 5 12 12 b=
Find the equation of the regression line for the given data. Round values to the nearest thousandth. * -5 -3 4 1 -1 -2 0 2 3 - 4 y 11 -6 8 -3 -2 1 5 -5 6 7 O A. y = -0.206x + 2.097 OB. = 0.206x - 2.097 Oc. ģ=2.097- 0.206 O D. y = -2.097x +0.206
A researcher reports the following equation for a best-fitting straight line to a set of data points: = −1.01X + 3.24. Which value is the y-intercept? X ñ1.01 3.24
Use the given data to find the equation of the regression line. Fill out the table below and show how you calculate each value below. Round the final values of a and b to three decimal places, if necessary. 5) x 10 3 4 5 12 y 18 2 6 9 12 5) y = Y x-X y-у (x - 2)2 (x - x)(y-y) y 8 0 3 2 4 6 5 9 12 12 b = ge ý=
Use the given data to find the equation of the regression line. Fill out the table below and show how you calculate each value below. Round the final values of a and b to three decimal places, if necessary. 5) x 10 3 4 5 12 y 18 2 6 9 12 5) y = Y x-X y-у (x - 2)2 (x - x)(y-y) y 8 0 3 2 4 6 5 9 12 12 b = ge ý=
1.
2.
3.
Use the given data to find the equation of the regression line. Examine the scatterplot and identify a characteristic of the data that is ignored by the regression line. X 5 14 13.31 13 13.66 12 13.74 10 13.05 9 12.30 4 4.31 6 8.34 8 11.25 11 13.54 7 9.94 y 6.46 = 3.00 + 0.80 (Round to two decimal places as needed.) The data show the chest size and weight of several bears. Find the...
Find the equation of the plane that contains both the line with the equation x = 3 + 2t,y = t , z 8-t, and the line with the equation x = 5 + t,y = 4-t,z = 6
Find the equation of the plane that contains both the line with the equation x = 3 + 2t,y = t , z 8-t, and the line with the equation x = 5 + t,y = 4-t,z = 6
Find an equation of the line that satisfies the given conditions. Through (-1, -14); perpendicular to the line passing through (2,-2) and (6,-4) Find an equation of the line that satisfies the given conditions. Through (-9, 1); parallel to the line x = 7 Find an equation of the line that satisfies the given conditions. Through (1, 1); parallel to the line y = 9x - 7 Find an equation of the line that satisfies the given conditions. Through (9,...