# Homework help.docx - 1. The cars owned by all people living...

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1.The cars owned by all people living in a city are, on average, 7.3 years old with astandard deviation of 2.2 years.a.Using Chebyshev’s theorem, find at least what percentage of cars in this city is(i.) 1.8 to 12.8 years old(ii). .7 to 13.9 years old
b.Using Chebyshev’s theorem, find the interval that contains the ages of at least
2.Use the given information to answer the following questions:see attached work andverifyX01f101RangeVarianceStandard Deviation
3.Please fill in the blank and answer the following questions:see attached notes and pagesfrom book.SUMMARY OUTPUTRegression StatisticsMultiple R______R Square______Adjusted R Square0.125Standard Error______Observations______ANOVAdfSSMSFSignificance FRegression10.828__________________Residual______2.227______Total6______CoefficientsStandardErrort StatP-ValueLower95%Upper95%Lower95.0%Upper95.0%Intercept112.4139.48411.8537.52722E-0588.033136.793____________X-19.137---------1.3640.231-55.21116.937____________a.What is the coefficient of determination?b.What is the coefficient of correlation?
c.Interpret the coefficient of determination.d.Interpret the coefficient of correlation.e.Interpret the meaning of the Y intercept b0.4.Below is the printout for a simple linear regression. (Must showstep by stepto get fullcredits)need help with allObservationYXXYY^2X^2Y Hatee^21313912.40.60.362122141.7-0.70.4931331910040400160.3-0.30.095050025-0.40.40.16Total515811555-6.7E-161.1
a.Calculate the values in the coefficients column (b0,b1)b.Calculate the degrees of freedom (df) column.c.Calculate the values in the SS column (SSR, SSE, SST).d.Calculate the values in the MS column (MSR, MSE).e.Calculate the F value and t Statistics for the independent variable.f.Calculate theR2,adjusted R square and standard error of the Regressionmodel.5.A firm has 231 employees classified by age and job category as follows.Need help withall.Check my answer on (a)Age Category

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Term
Fall
Professor
Joan Reid