## Just do my homework!

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Question
Submitted by Dadato on Thu, 2012-08-02 15:35
due on Sat, 2012-08-04 15:32
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# HWK

Please I need it by Saterday 4th. Thanks!

W

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Submitted by StatSolver on Sat, 2012-08-04 06:30
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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

xxx = xxxxx = xxxxxxx

MSE x 6476/23 = xxxxxxx

F = MST/MSE x xxxxxxxxxxxxx = xxxxxx

SS(Total) =

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Submitted by StatSolver on Sat, 2012-08-04 06:06
teacher rated 56 times
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5

## 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

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 xx xx 25 xxx xx 50 xx 0.32 xx xx 4 xxxx xx xx x 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 xxxx xxxxxxxx error x 1.2351 xxxxxxxxxxxx Difference 0 Test xxxxxxxxxx x x 6.3150 Level xx Significance xxxx Degrees of xxxxxxx = xx xxxxxxxxxx 1 xxxxxx p-value x xxxxxx Sample Size xx xxxxxxxx xxxxx x xxxxx Sample Mean 11.2 xxxxxx Standard Deviation xxx xxx confidence xxxxxxxx Population 2 xxxxxx ta/2 x 2.009 Sample xxxx xx Lower xxxxx x 5.319 xxxxxx xxxx 3.4 xxxxx bound = 10.281 xxxxxx xxxxxxxx Deviation xxx

# Q3

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 dbar -3.6167 Initial xxxxxxxxxxx xxxx xx 4.5814 xxxx xxxx -3.8 x x 72.9 xxxx -3.3 xxxxxxxx error = 1.8704 36.2 38.8 -2.6 xxxx xxxxxxxxxx x = xxxxxxx xxxx xxxx -8.1 xx x 5 67.2 62.9 4.3 Critical value x -2.0150 xxxx xxxx -8.2 p-value = xxxxxx 95% confidence xxxxxxxx xxxx = 2.571 xxxxx xxxxx x -8.425 Upper xxxxx = xxxxx

# Q4

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 Digit Probability xx Ei (Oi-Ei)^2 (Oi-Ei)^2/Ei x xxxxx 36 xxxxxx 436.3503 7.6702 x 0.176 xx xxxxxx 68.2937 2.0531 x xxxxx xx xxxxxx xxxxxxx xxxxxx 4 xxxxx xx 18.333 2.7789 0.1516 5 0.079 xx 14.931 xxxxxxx xxxxxx x xxxxx 17 12.663 xxxxxxx 1.4854 7 0.058 xx xxxxxx 16.3054 xxxxxx 8 xxxxx xx xxxxx 54.1843 xxxxxx x 0.046 x 8.694 xxxxxx xxxxxx Chi-Square xxxxxxx xx x xxxxxxxx value xxxxxx

# Q5

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 xxxx xxxxxxx x B xxxx xx xxxxxx xxxxx xxxxx -5.2 n 6 790.2 798.1 xxxx Standard xxxxx = xxxxxx 791.3 xxxxx xxx xxxx xxxxxxxxxx x x -0.6648 xxxxx 793.5 -0.6 xx = x 790.3 xxx xxx Critical xxxxx = xxxxxx xxxxx xxxxx 2.4 xxxxxxx = 0.5356 xxx xxxxxxxxxx xxxxxxxx xxxx x xxxxx xxxxx bound x xxxxxx xxxxx xxxxx = xxxxx

# xx

xxxxxxxxxxxxxxxx
 xxx x xxxx xbar1 xxx q12 = 2.073 xbar2 xxxx q13 x xxxxx xbar3 xxxx q23 = 2.499 xx x n2 2 xxxxxxxxxxx 10.6 xx x

# Q8

xxx
 n Sampel xxxx xxxxxx variance xxxxxx

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file3.xls preview (146 words)

# Sheet1

xxxxxxxxxxxxxxxxxxx
 x R10 xxxxx xxxx A12.5 xx 98 xx xx 80 xx xx 85 xx xxx 33 xx xx 82 81 58 44 xx xx xx 28 83 xx xx 74 xx 69 xx 55 xx xx xx xxx 70 xx

# Anova

xxxxxxxxxxxxxxxxxxxxxxxx
 xxxxxx xxxxxx Factor SUMMARY Groups xxxxx xxx xxxxxxx Variance x 7 xxx xx xxxxxxxxxxxxxx xxx 7 xxx xxxxxxxxxxxxx xxxxxxxxxxxxxx xxxxx x xxx 70.8571428571 xxxxxxxxxxxxxx A7.5 7 xxx 71.8571428571 160.4761904762 xxxxx x 594 84.8571428571 xxxxxxxxxxxxxx ANOVA xxxxxx xx Variation xx xx xx F xxxxxxx F xxxx xxxxxxx Groups xxxxxxxxxxxxxxx 4 xxxxxxxxxxxxxxx xxxxxxxxxxxx 0.0015484251 xxxxxxxxxxxx Within xxxxxx 10048.2857142857 30 xxxxxxxxxxxxxx Total xxxxxxx 34

# xxxxxxxxxxx

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 Tukey xxxxxx Multiple Comparisons xxxxxx Sample Absolute xxxx Error xxxxxxxx Group xxxx Size Comparison Difference of xxxxxxxxxx Range xxxxxxx 1 xx x xxxxx x xx Group x xxxxxxxxxxxxx xxxxxxxxxxxx 28.3609123079 xxxxx are xxxxxxxxx x 69.4285714286 7 Group x xx Group x 30.8571428571 6.9172956849 xxxxxxxxxxxxx Means are different x xxxxxxxxxxxxx 7 Group 1 to xxxxx x xxxxxxxxxxxxx 6.9172956849 xxxxxxxxxxxxx xxxxx are xxxxxxxxx 4 71.8571428571 x Group x to Group x 44.8571428571 xxxxxxxxxxxx xxxxxxxxxxxxx xxxxx are different 5 84.8571428571 x xxxxx x to Group x 1.4285714286 6.9172956849 xxxxxxxxxxxxx xxxxx are not xxxxxxxxx Group x to xxxxx x 2.4285714286 xxxxxxxxxxxx 28.3609123079 xxxxx are xxx xxxxxxxxx xxxxx xxxx xxxxx 2 to Group 5 xxxxxxxxxxxxx xxxxxxxxxxxx xxxxxxxxxxxxx Means xxx xxx xxxxxxxxx Level of significance xxxx xxxxx x to xxxxx 4 1 xxxxxxxxxxxx 28.3609123079 xxxxx xxx xxx different xxxxxxxxx d.f. 5 xxxxx x to xxxxx 5 xx xxxxxxxxxxxx 28.3609123079 Means are xxx xxxxxxxxx xxxxxxxxxxx d.f. xx Group 4 xx xxxxx 5 xx xxxxxxxxxxxx xxxxxxxxxxxxx Means xxx xxx different MSW xxxxxxxxxxxxxx x Statistic 4.1

# xxxxxxxxxxxxxx

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 0.5 0.5 0.5 0.5 0.5 x 0.5 1.5 x 2 x 2 x xxx x x 3.5 xxx xxx xxx xxx 4 3.5 xxx x x x 5 x 5.5 5 6 6.5 6.5 6.5 6.5 xxx 7 xxx xxx 1 1 1 1 x x xxx 1.5 xxx xxx 2.5 2.5 2.5 xxx x x x x x x x 4 3.5 4.5 5.5 5.5 xxx 5.5 5.5 5.5 5 x x x x 7 7 x xxx xxx 1.5 xxx xxx 1.5 1.5 x x x 3 x 4.5 4.5 4.5 xxx 4.5 x 6 x 6 6 xxx 7.5 xxx 7.5 7.5
Box-and-whisker Plot
P
R10
xxxxx
xxxx
A12.5

# xxxxxxxxxxxxxxxxx

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 xx xxx xx 2 37 xxx 55 x 62 6.5 xx 1 44 xxx xx 4 xx 5.5 62 7 xx 1.5 44 3 xx 4.5 55 x xx xxx xx 0.5 xx 2 xx xxx 59 5 74 xxx xx 1 57 2.5 xx x 59 5.5 74 7 xx 1.5 57 3 xx 4.5 59 6 74 7.5 33 xxx 69 x xx 3.5 xx x xx 6.5 33 x xx 2.5 xx x 72 xxx xx 7 33 1.5 69 x xx 4.5 xx x 81 xxx xx 0.5 83 x 89 xxx xx x xx xxx 58 1 xx xxx 89 4 xx 5.5 xx 7 58 xxx 83 x 89 xxx 82 x 91 xxx xx 0.5 98 2 xxx 3.5 xx 5 xxx xxx xx x 98 2.5 xxx 4 xx xxx xxx 7 xx xxx xx x 101 xxx xx 6 xxx xxx xx 1 44 xxx 37 x 55 5.5 xx 7 xx 1 98 xxx 101 4 92 5.5 xxx 7 25 0.5 57 x xx 3.5 xx x 74 xxx xx 0.5 83 2 xx 3.5 82 x xx 6.5 25 1.5 xx x xx xxx 59 6 xx xxx 58 xxx 83 x 89 xxx xx 6 91 7.5

Submitted by shahimermaid on Sat, 2012-08-04 10:03
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## 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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