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Question
Submitted by Dadato on Thu, 2012-08-02 15:35
due on Sat, 2012-08-04 15:32
answered 3 time(s)
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HWK

Please I need it by Saterday 4th. Thanks!

W

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Answer
Submitted by StatSolver on Sat, 2012-08-04 06:30
teacher rated 56 times
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Please see the attachment for solution (Question 11 - 13)

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Please xxx xxx xxxxxxxxxx xxx xxxxxxxx xx xx 13. xxx that the xxxxxxxx xxxxxx xx question 11 and xx are xxxxxxx in xxx decimal xxxxxxx xx you can provide the table with xxxxx xxxxxxx palces I xxx xxxxxx the xxxxxxxxx xxxxxxx

file1.doc preview (281 words)

xxx (a) xxxx xxx xxxxxxxx xxxxx xxxx the xxxxxxxxxxx xxxxx xxxxxxxxxxxx xxx a =0.01, x 11, and k = xxx

xxx xxxx the xxxxxxxx value xxxx the xxxxxxxxxxx range distribution xxx x =0.05, v 12, and k x 17

xxx xxxx the xxxxxxxx xxxxx from xxx studentized xxxxx xxxxxxxxxxxx xxx a =0.05, v xxx xxx x x 18

xxx xxxx the critical value xxxx xxx xxxxxxxxxxx xxxxx xxxxxxxxxxxx for xxx µxx µ2= µxx µ4= µ5, with xxxx at x x xxxxxx

xxx x…7.65…..) xxxxxx xx xxxxx xxxxxxx places xx needed)

(b) x…xxxx….)(Round xx xxxxx xxxxxxx places xx xxxxxxxx

(c) (…xxxx…..) (Round xx three xxxxxxx places as xxxxxxxx

(d) (…5.56…xx xxxxxx xx xxxxx decimal places as xxxxxxxx

12) Fill xx xxx xxxxx xxxxxxx

Source of variation Sum xx squares xxxxxxx of xxxxxxx xxxx Squares F-Test xxxxxxxxx

xxxxxxxxx 422 4

Error xxxxxxx 23

Total

xxxxxxxx xxx ANOVA table by xxxxxxx in the missing values.

xxxxxx of xxxxxxxxx Sum of xxxxxxx xxxxxxx of Freedom xxxx Squares F-Test Statistic

Treatment 422 xx x105.500x x0.375)

xxxxxxxxx xxxxxx xx x281.565x

xxxxxxxxx x6898x xxxxx

(Type xxx xxxxxxx or xxxxxxx xxxxxxx to three xxxxxxx xxxxxx as xxxxxxxx

Answers

xxx = xxxxx = xxxxxxx

MSE x 6476/23 = xxxxxxx

F = MST/MSE x xxxxxxxxxxxxx = xxxxxx

SS(Total) =

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Answer
Submitted by StatSolver on Sat, 2012-08-04 06:06
teacher rated 56 times
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Answer rating (rated one time)

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Please see the attachment for solution (Question 1 - 10)

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Please xxx xxx attachment xxx xxxxxxxxxxxx solutions are in xxx xxxx xxxxxxxx and computations are in xxx xxxxx xxxxx I xxxx xxxx xxxx xxx first 10 xxxxxxxxx If xxx xxxx xxx clarification xxxxxx ask me. Thanks.

file1.doc preview (2672 words)

HWK#4

xxxxxxxxx xxx xxx xxx tastistic, (b) the degrees of freedom, (c) the critical xxxxx xxxxx a=0.05, and xxx the xxxxxxxxxx at xxx a=0.05 level of xxxxxxxxxxxxx

Outcome A x x D

xxxxxxxx 45 xx 48 xxx

Expeted 50 50 50 xxx

xxx PA=PB=PC=PD = ¼

H1: at least one of the proportions xx different xxxx the others.

= (…xxxxx..) Round to xxxxx xxxxxxx places as needed.

There are x…x..) degrees xx freedom.

The critical value xx x…xxxxxxxx Round to three decimal places xx xxxxxxxx

Should xxx xxxx xxxxxxxxxx be xxxxxxxxxx

xxx because is less xxxx xx xxxxx xx 0.05

xx xxxxxxx is greater than 0.05

xx because 0 xx less xxxx or xxxxx to xxxxx

xxx xxxxxxx x xx greater than 0.05

Answers:

Chi-Square statistic = 1.080

Degrees xx freedom x x

xxxxxxxx xxxxx x xxxxx

xx No because 0 is xxxx than or xxxxx to 0.05

x xxxxx xxx xxxxxxxxx to xxxxxxxxx the xxxxxxxxxxxxx of a xxxxxxx xxxxxxxxxx x xxxxx of 112 xxxxxxxx were randomly divided xxxx xxxxxxxxxxxx xxxxx and a control xxxxxx The shows xxx result xxx xxxxx net improvement. xxx the xxxxxxxxxxxx group to xx 1 and the control xxxxx xx xxxxx xxx

Experimental Control

x xxxxx

x 11.2 xxxx

s xxx 6.6

Test xxxxxxx xxx experimental group xxxxxxxxxxx x large xxxx improvement xxxx the xxxxxxx xxxxx at the x x xxxx xxxxx of significance

xxx

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file2.xls preview (265 words)

Q1

xxxxxxxxxxxxx
xx xx(Oi-Ei)^2 (Oi-Ei)^2/Ei
xxxx 25 xxx
xx50 xx0.32
xxxx4 xxxx
xxxxx 0.18
xxxxxxxxxx xxxxx
xxx 3
critical xxxxx 7.815

Q2

xxxxxxxxxxxxxxxxxxxxxxxxxxx
x xxxx xxx xxxxxxxxxxx xx Two xxxxx
(assumes equal xxxxxxxxxx variances) xxxxx - xxxxx x 7.8
xxxxxxxxxxxx error x1.2351
xxxxxxxxxxxx Difference 0 Test xxxxxxxxxx x x6.3150
Level xx Significance xxxxDegrees of xxxxxxx =xx
xxxxxxxxxx 1 xxxxxxp-value xxxxxxx
Sample Size xxxxxxxxxx xxxxx xxxxxx
Sample Mean 11.2
xxxxxx Standard Deviationxxx xxx confidence xxxxxxxx
Population 2 xxxxxx ta/2 x 2.009
Sample xxxx xxLower xxxxx x 5.319
xxxxxx xxxx 3.4xxxxx bound = 10.281
xxxxxx xxxxxxxx Deviationxxx

Q3

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
dbar-3.6167
Initial xxxxxxxxxxxxxxx xx4.5814
xxxx xxxx-3.8 xx
72.9 xxxx-3.3xxxxxxxx error = 1.8704
36.238.8-2.6 xxxx xxxxxxxxxx x = xxxxxxx
xxxxxxxx -8.1 xx x5
67.2 62.94.3Critical value x-2.0150
xxxxxxxx-8.2 p-value =xxxxxx
95% confidence xxxxxxxx
xxxx = 2.571
xxxxx xxxxx x -8.425
Upper xxxxx = xxxxx

Q4

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
DigitProbability xxEi(Oi-Ei)^2(Oi-Ei)^2/Ei
xxxxxx 36 xxxxxx 436.3503 7.6702
x 0.176xx xxxxxx 68.29372.0531
xxxxxx xxxxxxxx xxxxxxxxxxxxx
4xxxxxxx 18.333 2.77890.1516
50.079 xx14.931xxxxxxxxxxxxx
xxxxxx 17 12.663xxxxxxx 1.4854
70.058xx xxxxxx16.3054 xxxxxx
8xxxxxxxxxxxx 54.1843 xxxxxx
x0.046 x8.694 xxxxxxxxxxxx
Chi-Squarexxxxxxx
xxx
xxxxxxxx valuexxxxxx

Q5

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxx xxxxxxx
x Bxxxxxx xxxxxx
xxxxxxxxxx-5.2n 6
790.2 798.1xxxx Standard xxxxx =xxxxxx
791.3xxxxxxxx xxxx xxxxxxxxxx x x -0.6648
xxxxx793.5-0.6xx = x
790.3xxx xxxCritical xxxxx = xxxxxx
xxxxxxxxxx 2.4 xxxxxxx = 0.5356
xxx xxxxxxxxxx xxxxxxxx
xxxx x xxxxx
xxxxx bound x xxxxxx
xxxxx xxxxx =xxxxx

xx

xxxxxxxxxxxxxxxx
xxx x xxxx
xbar1xxx q12 =2.073
xbar2xxxxq13 xxxxxx
xbar3 xxxx q23 =2.499
xx x
n22xxxxxxxxxxx 10.6
xxx

Q8

xxx
n Sampel xxxxxxxxxx variance xxxxxx

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file3.xls preview (146 words)

Sheet1

xxxxxxxxxxxxxxxxxxx
x R10 xxxxxxxxxA12.5
xx 98xxxx80
xxxx85xxxxx
33 xx xx 8281
5844xx xx xx
2883xxxx 74
xx 69 xx 55 xx
xx xx xxx 70 xx

Anova

xxxxxxxxxxxxxxxxxxxxxxxx
xxxxxx xxxxxx Factor
SUMMARY
Groups xxxxxxxxxxxxxxxVariance
x7xxx xx xxxxxxxxxxxxxx
xxx7xxx xxxxxxxxxxxxx xxxxxxxxxxxxxx
xxxxxx xxx 70.8571428571 xxxxxxxxxxxxxx
A7.57xxx71.8571428571160.4761904762
xxxxxx 594 84.8571428571 xxxxxxxxxxxxxx
ANOVA
xxxxxx xx Variation xx xx xxF xxxxxxx F xxxx
xxxxxxx Groups xxxxxxxxxxxxxxx4 xxxxxxxxxxxxxxxxxxxxxxxxxxx 0.0015484251xxxxxxxxxxxx
Within xxxxxx 10048.285714285730xxxxxxxxxxxxxx
Totalxxxxxxx 34

xxxxxxxxxxx

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Tukey xxxxxx Multiple Comparisons
xxxxxxSampleAbsolute xxxx Errorxxxxxxxx
Group xxxx SizeComparisonDifferenceof xxxxxxxxxxRange xxxxxxx
1xxx xxxxx x xx Group x xxxxxxxxxxxxx xxxxxxxxxxxx 28.3609123079xxxxx are xxxxxxxxx
x69.4285714286 7Group x xx Group x30.8571428571 6.9172956849 xxxxxxxxxxxxxMeans are different
xxxxxxxxxxxxxx7Group 1 to xxxxx xxxxxxxxxxxxxx6.9172956849xxxxxxxxxxxxx xxxxx are xxxxxxxxx
4 71.8571428571xGroup x to Group x 44.8571428571xxxxxxxxxxxx xxxxxxxxxxxxxxxxxx are different
584.8571428571x xxxxx x to Group x1.42857142866.9172956849 xxxxxxxxxxxxx xxxxx are not xxxxxxxxx
Group x to xxxxx x2.4285714286xxxxxxxxxxxx 28.3609123079xxxxx are xxx xxxxxxxxx
xxxxx xxxxxxxxx 2 to Group 5 xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxMeans xxx xxx xxxxxxxxx
Level of significance xxxxxxxxx x to xxxxx 4 1 xxxxxxxxxxxx28.3609123079xxxxx xxx xxx different
xxxxxxxxx d.f. 5xxxxx x to xxxxx 5xxxxxxxxxxxxxx28.3609123079Means are xxx xxxxxxxxx
xxxxxxxxxxx d.f.xx Group 4 xx xxxxx 5xx xxxxxxxxxxxxxxxxxxxxxxxxx Means xxx xxx different
MSW xxxxxxxxxxxxxx
x Statistic 4.1

xxxxxxxxxxxxxx

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
0.5 0.50.50.5 0.5x 0.5 1.5x 2 x2xxxxx x 3.5 xxxxxx xxxxxx4 3.5xxxx xx 5 x5.5566.56.5 6.5 6.5xxx 7 xxx xxx
1111xxxxx1.5xxxxxx2.52.52.5xxx xxx xx xx 4 3.54.55.5 5.5 xxx5.5 5.5 5.5 5 x xxx7 7 x xxx xxx
1.5xxx xxx 1.51.5xxx 3x4.54.5 4.5 xxx 4.5 x6 x6 6xxx 7.5 xxx7.5 7.5
Box-and-whisker Plot
P
R10
xxxxx
xxxx
A12.5

xxxxxxxxxxxxxxxxx

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xx xxx xx237xxx55 x 626.5
xx1 44 xxxxx 4 xx5.5627
xx1.544 3 xx4.555 x xxxxx
xx 0.5xx2 xx xxx 59 5 74 xxx
xx157 2.5xxx59 5.5747
xx 1.557 3xx4.5 59674 7.5
33xxx69 x xx3.5xxx xx6.5
33xxx 2.5xxx 72xxxxx 7
331.5 69xxx 4.5xx x81 xxx
xx 0.5 83 x 89 xxxxx xxx xxx
581 xx xxx 89 4 xx5.5xx 7
58xxx 83 x 89xxx82 x 91 xxx
xx0.5 98 2 xxx3.5 xx5xxx xxx
xx x 98 2.5xxx 4 xx xxx xxx 7
xx xxx xx x101xxx xx 6 xxxxxx
xx 144 xxx 37 x 555.5 xx 7
xx198 xxx101 492 5.5xxx 7
250.557x xx3.5 xx x74xxx
xx0.5 832xx 3.5 82 x xx6.5
25 1.5 xx xxxxxx596xx xxx
58xxx 83x 89 xxx xx 6 91 7.5


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Answer
Submitted by shahimermaid on Sat, 2012-08-04 10:03
teacher rated 386 times
4.321245
price: $5.00

Q1, 11,12,13 with full explanation

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I am xxxxx xxx xxxx xxx xxxx post soon

file1.docx preview (527 words)

http://www.homeworkmarket.com/content/hwk-2

xxxxxxxxx (a) xxx xxx xxxxxxxxxx xxx xxx xxxxxxx xx freedom, xxx the xxxxxxxx xxxxx xxxxx a=0.05, and (d) the xxxxxxxxxx xx the xxxxxx level of significance

xxxxxxxxxxxxxxxxxxx

Outcome

xxxxxxxx

xxxxxxxx

xx — E)

xx — E)2

xx — E)2/ x

A

xx

50

xx

25

xxx

B

54

xx

x

xx

xxxx

C

xx

50

xx

x

xxxx

D

xx

50

x

x

xxxx

xxxx

xxxxxxx xx Freedom = (2 x xxxxx 1) x xxxx = x

xxx PA=PB=PC=PD = ¼

H1: at xxxxx xxx of xxx xxxxxxxxxxx is different from xxx others.

= (1.26) Round to xxxxx xxxxxxx places as xxxxxxx

There are (3) xxxxxxx xx xxxxxxxx

xxx critical xxxxx xx (7.815) Round xx three xxxxxxx xxxxxx as xxxxxxx

xxxxxx xxx null hypothesis be xxxxxxxxx

Yes because is less xxxx xx equal xx xxxx

No xxxxxxx xx greater xxxx xxxx

xx because 0 xx less xxxx or xxxxx to 0.05

Yes xxxxxxx 0 xx greater xxxx 0.05

Accept Ho because 1.26 xx smaller than xxxxx xxxx xxxxx 

xxx Square distribution xxxxxx

xxxxxxxxxxx xxxxx xxxxxxx

xxxxxxxxxxxxxxxxxxxx

xx

xxx

0.10

xxxx

xxxx

0.01

0.001

1

0.455

2.706

3.841

xxxxx

xxxxx

xxxxxx

x

xxxxx

4.605

xxxxx

xxxxx

xxxxx

13.815

3

2.366

6.251

7.815

xxxxx

xxxxxx

16.268

x

3.357

7.779

xxxxx

11.668

xxxxxx

18.465

x

4.351

xxxxx

xxxxxx

xxxxxx

xxxxxx

xxxxxx

xxx xxxx in the xxxxx table.

xxxxxx of variation Sum of xxxxxxx xxxxxxx of xxxxxxx xxxx Squares F-Test xxxxxxxxx

xxxxxxxxx xxxx x

xxxxxxx xxxxx 23

xxxxx

Complete xxx ANOVA table xx filling xx the missing xxxxxxx

Source xx xxxxxxxxx xxx of squares xxxxxxx of Freedom Mean Squares F-Test xxxxxxxxx

xxxxxxxxx 422 xx (105.5) xxxxxxx

Error 6476 23 (281.565)

Total xxxxxx

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