Statistics Assignment - (Answers)
14 Pages1805 Words829 Views
Added on 2020-05-16
Statistics Assignment - (Answers)
Added on 2020-05-16
ShareRelated Documents
Running head: STATISTICSStatisticsName of the studentName of the universityAuthor’s note
STATISTICS1Table of ContentsAnswer 1.......................................................................................................................................2Part a.........................................................................................................................................2Part b........................................................................................................................................2Part c.........................................................................................................................................2Answer 2.......................................................................................................................................3Answer 3.......................................................................................................................................4Part a.........................................................................................................................................4Part b........................................................................................................................................4Answer 4.......................................................................................................................................5Answer 5.......................................................................................................................................6Answer 6.......................................................................................................................................7Part a.........................................................................................................................................7Part b........................................................................................................................................7Part c.........................................................................................................................................7Answer 7.......................................................................................................................................8Answer 8.....................................................................................................................................10Part a.......................................................................................................................................10Part b......................................................................................................................................10Part c.......................................................................................................................................10Answer 9.....................................................................................................................................11Part a.......................................................................................................................................11Part b......................................................................................................................................11Part c.......................................................................................................................................11Answer 10...................................................................................................................................12Part a.......................................................................................................................................12Part b......................................................................................................................................12Part c.......................................................................................................................................12Part d......................................................................................................................................12
STATISTICS2Answer 1SourceDFSSMSFFactorm-1SS (Between)MSB = SS(Between)/(m-1)MSB/MSEErrorn-mSS (Error)MSE = SS(Error)/(n-m)Totaln-1SS (Total)Part aTable 1: ANOVA tableSource of VariationSum of SquaresDegrees of FreedomMean SquareFBetween Treatments903305Within Treatments (Error)120206Total21023From excel we find that p-value for F= 5 at 3,20 df is 0.0095. Since, p-value < -valuehence reject Null Hypothesis. Part bdf for number of groups: m-1 = 3m = 3 + 1 = 4Hence, number of groups = 4Part cTotal number of observations n – 1 = 20n = 21Hence, number of observations = 21
STATISTICS3Answer 2Table 2: Coefficients of Regression EquationCoefficientsStandardErrort StatP-valueIntercept136.000013.76319.88150.0000Year (t)39.18182.218117.66430.0000The linear trend equation Number of Units sold (000s) = 136.00 + 39.1818*Year (t)The number of cars sold for t = 11 Number of Units sold (000s) = 136.00 + 39.1818*Year (t)Number of Units sold (000s) = 136.00 + 39.1818*11Number of Units sold (000s) = 136.00 + 430.9998Number of Units sold (000s) = 566.9998 ≈ 567From the sales trend it is seen that the sales in the 11th year would be 567 (000s)
End of preview
Want to access all the pages? Upload your documents or become a member.
Related Documents
Document Related to Statistics | Docxlg...
|9
|1266
|352
Statistics Name of the university Author's notelg...
|9
|1256
|369
HI6007 : Statistics And Research Methods For Businesslg...
|9
|1719
|50
STAT670: Introductory Statisticslg...
|9
|1680
|204
HI6007 Assignment on Statisticslg...
|8
|1746
|307
Finding the Best Car Value: Regression Analysis and Conclusionslg...
|8
|1047
|137