Question

In: Statistics and Probability

For the following data set: a) draw a scatter diagram, b) develop the estimation equation that...

For the following data set:

a) draw a scatter diagram,

b) develop the estimation equation that best describes the data,

c) predict Y for X = 10, 15, 20.

X 13 ,16 ,14 ,11 ,17 ,9 ,13 ,17 ,18, 12

Y 6.2 ,8.6 ,7.2 ,4.5 ,9.0 ,3.5 ,6.5 ,9.3 ,9.5, 5.7

Using the data given below,

a) draw the scatterplot,

b) develop the estimation equation that best describes the data,

c) predict Y for X = 5, 6, 7.

X 16 ,6 ,10, 5 ,12 ,14

Y -4.4 ,8.0, 2.1 ,8.7 ,0.1 ,-2.9

Solutions

Expert Solution

a, b)

​​​​​​

c.

predict Y for X = 10, 15, 20 is 5, 8, 11 respectively.

a, b)

c)

predict Y for X = 5, 6, 7 is 8.79,7.55,6.30 respectively.

Dear student,
I am waiting for your feedback. I have given my 100% to solve your queries. If you satisfied with my answer then please please like this.
Thank You


Related Solutions

For the accompanying data​ set, (a) draw a scatter diagram of the​ data, (b) by​ hand,...
For the accompanying data​ set, (a) draw a scatter diagram of the​ data, (b) by​ hand, compute the correlation​ coefficient, and​ (c) determine whether there is a linear relation between x and y. n 3 0.997 4 0.950 5 0.878 6 0.811 7 0.754 8 0.707 9 0.666 10 0.632 11 0.602 12 0.576 13 0.553 14 0.532 15 0.514 16 0.497 17 0.482 18 0.468 19 0.456 20 0.444 21 0.433 22 0.423 23 0.413 24 0.404 25 0.396...
For the accompanying data​ set, (a) draw a scatter diagram of the​ data, (b) by​ hand,...
For the accompanying data​ set, (a) draw a scatter diagram of the​ data, (b) by​ hand, compute the correlation​ coefficient, and​ (c) determine whether there is a linear relation between x and y. x 2 4 6 6 7 y 4 8 11 13 18 n 3 0.997 4 0.950 5 0.878 6 0.811 7 0.754 8 0.707 9 0.666 10 0.632 11 0.602 12 0.576 13 0.553 14 0.532 15 0.514 16 0.497 17 0.482 18 0.468 19 0.456...
For the accompanying data​ set, (a) draw a scatter diagram of the​ data, (b) compute the...
For the accompanying data​ set, (a) draw a scatter diagram of the​ data, (b) compute the correlation​ coefficient, and​ (c) determine whether there is a linear relation between x and y. x 2 6 1 7 9 y 8 2 6 9 5 Critical Values for Correlation Coefficient n 3 0.997 4 0.950 5 0.878 6 0.811 7 0.754 8 0.707 9 0.666 10 0.632 11 0.602 12 0.576 13 0.553 14 0.532 15 0.514 16 0.497 17 0.482 18...
For the accompanying data​ set, (a) draw a scatter diagram of the​ data, (b) compute the...
For the accompanying data​ set, (a) draw a scatter diagram of the​ data, (b) compute the correlation​ coefficient, and​ (c) determine whether there is a linear relation between x and y.    Data set x 7 6 6 7 9 y 3 2 6 9 5 Critical Values for Correlation Coefficient n 3 0.997 4 0.950 5 0.878 6 0.811 7 0.754 8 0.707 9 0.666 10 0.632 11 0.602 12 0.576 13 0.553 14 0.532 15 0.514 16 0.497...
For the accompanying data set, (a) draw a scatter diagram of the data, (b) by hand,complete...
For the accompanying data set, (a) draw a scatter diagram of the data, (b) by hand,complete the correlation coefficient, and (c) determine whether there is a linear relation between x and y. x 2 4 6 6 7 y 4 8 12 12 20   Critical Values for Correlation Coefficient n 3 0.997 4 0.950 5 0.878 6 0.811 7 0.754 8 0.707 9 0.666 10 0.632 11 0.602 12 0.576 13 0.553 14 0.532 15 0.514 16 0.497 17 0.482...
Develop a scatter diagram for these data. Develop the estimated regression equation.
Given the following: X: 1    2    3 4    5 Y: 3    7    5    11    14 Develop a scatter diagram for these data. Develop the estimated regression equation. Use the estimated regression equation to predict the value of Y when X = 4
A data set is given a) (a) Draw a scatter diagram. Comment on the type of...
A data set is given a) (a) Draw a scatter diagram. Comment on the type of relation that appears to exist between x and y. ​(b) Given that x overbarxequals=3.83333.8333​, s Subscript xsxequals=2.40142.4014​, y overbaryequals=3.98333.9833​, s Subscript ysyequals=1.74521.7452​, and requals=negative 0.9457−0.9457​, determine the​ least-squares regression line. ​(c) Graph the​ least-squares regression line on the scatter diagram drawn in part​ (a). x 0 2 4 5 6 6 y 6.0 5.8 4.7 3.0 2.1 2.3
A data set is given below. ​(a) Draw a scatter diagram. Comment on the type of...
A data set is given below. ​(a) Draw a scatter diagram. Comment on the type of relation that appears to exist between x and y. ​(b) Given that x̅ = 3.8333​, Sx = 2.4014 ​, ȳ equals = 3.7333 3.​, Sy = 1.8381​, and r = -0.9545 ​, determine the​ least-squares regression line. (c) Graph the​ least-squares regression line on the scatter diagram drawn in part x   y 0   5.9 2   5.7 4   4.3 5   2.8 6   1.7 6   2...
A data set is given below. ​(a) Draw a scatter diagram. Comment on the type of...
A data set is given below. ​(a) Draw a scatter diagram. Comment on the type of relation that appears to exist between x and y. ​(b) Given that x̅ = 3.6667, sx = 2.0656​, ŷ = 4.2000​, sy = 1.4805, and r = −0.9287​, determine the​ least-squares regression line. ​(c) Graph the​ least-squares regression line on the scatter diagram drawn in part​ (a). x   y 1   5.2 2   5.8 3   5.4 4   3.8 6   2.4 6   2.6 ​(a) Choose the...
From the following data set, create a scatter diagram and choose a time series analysis method...
From the following data set, create a scatter diagram and choose a time series analysis method and use it to adjust them and forecast for month 13, justify because you chose the method you have chosen, you choose the parameters you need Month 1   2 3 4 5 6 7 8 9 10 11 12 13 Sales 210 190 240 250 200 170 190 235 160 185 260 145
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT