## Just do my homework!

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Question
Submitted by Dadato on Fri, 2012-08-10 19:25
due on Sun, 2012-08-12 19:15
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# HWK

Please due on Sunday 12, Thanks!

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Submitted by StatSolver on Sun, 2012-08-12 00:24
teacher rated 56 times
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purchased one time
price: \$15.00

5

## Please see the attachment for solution (Second Part 1-7)

body preview (38 words)

xxxxxx see the attachment xxx solution. xx you xxxx any clarification xxxxxx message xxx xxxxxx xxxxx a 5 star xxxxxx xx you are satisfied with xx xxxxxxxxx The xxxx file xxxxxxxx the solution and xxxxx file contains the computations.

file1.doc preview (1568 words)

For the xxxx xxx xxxxx below, xx xxxx xxxxxxxxxx (a) xxxxxxx the xxxxxxxx xxxxx the xxxxx xxxxxxxx for xxx (b) xxxxxxxx the residuals are normally distributed, xxxxxxxxx Sb1. xxx Assuming xxx residuals are normally xxxxxxxxxxxx test xxxxxxxx xxxxxx xxx β1≠x xx the a=0.05 level xx significance. The null xxxxxxxxxx xx that x xxx x are not linearly xxxxxxxxx

X x x 5 7 8

Y 5 x x 13 15

Determine xxx xxxxx xxxxxxxx for xxx xx ≈ xxxxxxxxxxx not round xxxxx the xxxxx answer. xxxx xxxxx xx xxxx xxxxxxx places as xxxxxxxx

xxxxxx that b1 xx the estimate xx slope of xxx regression xxxx β1. The sample standard xxxxx xx b1 xx xxxxx xx xxx xxxxxxxxx xxxxxxxxx

In xxxxx to xxxxxxx xxx hypothesis xxxxx xxxxx calculate the xxxx xxxxxxxxx t0.(Explain the xxxxxxx xxxxxxxx xx do not xxxxxxx xx xxx relation exists xxxxxxx x and xxxxx

xxxxxxxx

xx x 0.5807

Sb1 = xxxxxx

t0 = b1/Sb1 = xxxxxxxxxxxxx x 15.0312

Since xxxx is a xxx tailed xxxx with x -2 x 5 – 2 x 3 xxxxxxx xx

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file2.xls preview (250 words)

# xx

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 X x xx xxxxxxxxx (Residual)^2 xxxxxxxxxx x x xxxxxx xxxxxx 0.4240 5.76 x x 6.4535 xxxxxxx xxxxxx xxxx x 8 8.5581 xxxxxxx xxxxxx 0.16 7 xx xxxxxxx xxxxxx 0.0541 xxxx 8 15 14.8721 xxxxxx xxxxxx xxxx xxx 1.0116 17.2000 Xbar xxx xxxxxx xx = xxxxxx xxxxxxxxxx bo = xxxxxxx n = x xx x xxxxxx Sb1 xxxxxx t x xxxxxx = xxxxxxxxxxxxx xxxxxxx x 0.0006

# Q2

xxxxxxxxxxxxxxxxxxxxxxxxxx
 X Y Y^ Residuals (Residual)^2 (X-Xbar)^2 xx 98 xxxxxxxx xxxxxxx xxxxxxx xxx xx 95 xxxxxxx xxxxxx xxxxxx xxx xx 91 xxxxxxx xxxxxx xxxxxxx x xx 81 79.2000 xxxxxx xxxxxx 100 xx 68 xxxxxxx -3.8000 xxxxxxx xxx xxx xxxxxxx xxxxxxxxx xxxx 40 xxxxxx xx x -0.7400 xxxxxxxxxx bo x 116.2000 x x 5 xx x 4.0661 Sb1 0.1286 x = b1/Sb1 = xxxxxxx P-value x 0.0104

# xx

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 X Y Y^ Residuals xxxxxxxxxxxx (X-Xbar)^2 3330 4850 4899.7239 xxxxxxxx 2472.4674 258064 xxxx 4190 xxxxxxxxx xxxxxxxx 6589.0194 40804 3380 5020 xxxxxxxxx 76.0119 5777.8126 311364 xxxx 4070 3987.8821 82.1179 xxxxxxxxx xxxxxx 2480 xxxx xxxxxxxxx xxxxxxxx xxxxxxxx xxxxxx Sum xxxxxxxxxx xxxxxxxxxxx Xbar xxxx Slope, xx = xxxxxx Intercept, bo = xxxxxxxxx x x x xx x 86.2637 xxx 0.0863 x x xxxxxx = 10.2609 P-value = 0.0020 xxxxxxxxxx xxxxxxxx xxxxxx x xxxxx lower limit = 0.611 xxxxx limit x xxxxx xxxxxxxx = 4607.63 xxxxxxx xxxxxx xxxxxxxxxx Statistics Multiple x 0.9861 R Square xxxxxx xxxxxxxx x xxxxxx xxxxxx Standard Error 86.2637 Observations x xxxxx xx xx xx x xxxxxxxxxxxx F xxxxxxxxxx 1 xxxxxxxxxxxxxxxx 783475.712227913 105.2856 xxxxxx xxxxxxxx 3 22324.287772087 xxxxxxxxxxxxxxx xxxxx x 805800 Coefficients Standard Error t xxxx P-value Lower xxx xxxxx 95% Lower 95.0% Upper xxxxx Intercept xxxxxxxxx 246.5126 7.9174 xxxxxx xxxxxxxx 2736.244 xxxxxxxx xxxxxxxx X xxxxxx xxxxxx 10.2609 xxxxxx 0.611 1.160 xxxxx 1.160 xxxxxxxxxxx OUTPUT Percentile x xx 4070 xx 4120 50 4190 xx xxxx 90 5020

# xx

xxxxxx Percentile
Y
xxxxxx Probability Plot

# Q5

x xx x xxxxxxxxx + xxxxxxxx x x 46.38

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Submitted by StatSolver on Sat, 2012-08-11 10:05
teacher rated 56 times
5
purchased one time
price: \$30.00

5

## Please see the attachment for solution (Question 1 - 9)

body preview (31 words)

xxxxxx see the attachment xxx xxxxxxxx of xxxxxxxxx x to xx The xxxx xxxx contains xxx xxxxxxxx and xxx Excel file contains the computations. If you xxxx any clarification xxxxxx ask xxx xxxxxxx

file1.doc preview (2604 words)

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file2.xls preview (427 words)

# xx

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 X Y (X -Xbar)/Sx (Y -Ybar)/Sy [(X xxxxxxxxxxxxxx -Ybar)/Sy] x 3 -1.56893 -0.73030 1.14578 x x xxxxxxx xxxxxxxx xxxxxxx x 6 0.00000 0.36515 xxxxxxx x 9 0.39223 1.46059 0.57289 9 5 xxxxxxx 0.00000 xxxxxxx Sum xxxxxxx xxxx = 6 Ybar x x Sx = 2.54951 Sy x 2.73861 x = x r x xxxxx

# Q2

xxxxxxxxxxxxxxxxxx
 x Y (X -Xbar)/Sx (Y -Ybar)/Sy xxx xxxxxxxxxxxxxx -Ybar)/Sy] 3590 xx xxxxxxx -0.97827 -0.5922 2690 26 -1.58261 1.46740 -2 3180 xx xxxxxxxx 0.55028 xx 3565 xx 0.54455 -0.36685 xxxxxxx 3680 19 0.82413 -0.67256 -1 xxx -3.8839 Xbar x xxxx Ybar x 21.2 Sx x 411.34535 xx x 3.27109 x = x r = -0.971

# Q3

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 MRI (X) xx (Y) xx -Xbar)/Sx xx xxxxxxxxx xxx xxxxxxxxxxxxxx xxxxxxxxxx xxxxxx xxx -0.56889 -1.00000 xxxxxx 991305 138 1.15466 xxxxxxx 0 856473 141 xxxxxxxx 1.00000 xx xxx xxxxxxx xxxx x 901853 xxxx = 138 Sx x xxxxxxxxxxx xx x 3.00000 n = 3 r x xxxxxx MRI xxx xx xxx (X xxxxxxxxx (Y -Ybar)/Sy [(X xxxxxxxxxxxxxx -Ybar)/Sy] 924060 xxx xxxxxxxx 0.57735 -0.5172 xxxxxx xxx xxxxxxxx xxxxxxxx x xxxxxxx xxx 1.07884 0.57735 x Sum xxxxxx xxxx x 975951 Ybar x 136 xx x xxxxxxxxxxx xx x 3.46410 x x x x x xxxxx

# xx

xxxxxxxxxxxxxxxxxxxxxx
 x Y (X -Xbar)/Sx (Y xxxxxxxxx [(X -Xbar)/Sx]*[(Y xxxxxxxxxx 3 x xxxxxxxx xxxxxxxx 1.0663 4 5 -0.62385 xxxxxxxx 0.4105 5 6 -0.10398 -0.38389 0.0399 6 9 xxxxxxx xxxxxxx 0.1825 x xx xxxxxxx xxxxxxx 2.2352 xxx xxxxxx xxxx x xxx xxxx x xxx xx = 1.92354 Sy = 3.64692 n = 5 x = xxxxx Slope, b1 = 1.8649 xxxxxxxxxx bo = xxxxxxx

x
x
Y

# Q5

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 X Y (X -Xbar)/Sx xx -Ybar)/Sy xxx -Xbar)/Sx]*[(Y xxxxxxxxxx xxxxx xxxx xxxxxxx 1.46303 xxxxxx xxxx xxxx xxxxxxxx -1.01286 1.6160 25.5 xxxx -0.89347 xxxxxxxx 0.9050 xxxx xxxx xxxxxxxx -0.18757 xxxxxx xx xxxx xxxxxxxx xxxxxxxx xxxxxx 16.9 27.75 xxxx xxxxxxx 1.05038 1.1354 27 xxxx xxxxxxx xxxxxxxx xxxxxxx xxxx 17.5 0.86156 0.63773 xxxxxx 26.75 17.3 xxxxxxx -0.18757 xxxxxxx xxxxx xxxx 0.20342 xxxxxxx xxxxxx 27.5 17.5 0.86156 xxxxxxx 0.5494 Sum xxxxxx xxxx

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