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you run a correlation matrix between y variables auto sales in units and two x variables auto prices x1 and car
does the best regression model have significant multicollinearitya no since the d-w statistics is below 25b no since
why are heteroscedasticity multicollinearity and serial correlation a problem in regression model reliabilitya their
if the scatter plot between a dependent time series variable and an independent time series variable is curvilinear
how do you calculate the mean squared regression from the sum of squared regressiona take the square root of the sum of
since increasing the number of variables increases r2 why not include every variable in the regression equationa yes
in determining the best variables to choose for a linear regression model scatter plots can be used what is an
a multiple regression equation is created with 4 independent variables and 24 data observations the resulting f value
what is the typical cause of positive serial correlation in business dataa strong trend that indicates business growthb
what approach can be taken in regression to account for qualitative factors or eventsa transformations of x datab
when using regression to combine forecast of the same y variable derived in with various methods how do you determine
assume that you work for a large national company with several stores in each state which regression method should be
jim accidentally runs over mary in the parking lot mary was walking to her car maybe she wasnrsquot paying really close
what is meant when we refer to multiple regression coefficients as partial or net regression coefficientsa any
what statistic is designed to detect multicollinearity in a regression modela durbin-watsonb coefficient t-valuec
1 what is required before the state can restrictregulate your use of real property2 why does the law require special
what happens to the regression f value if r2 decreases holding everything else constanta the f value decreasesb the f
1 a construct a numerical example to show that the exclusion of municipal bond interest from income taxation is
the estimated regression equation isadvertising- 4380019 sales0479 advertising -1-1 means last year r -sq096 f23341 as
a construction manager just starting in private practice needs a van to carry crew and equipment she can lease a used
contrast and compare a mature industry vs new innovation and technology explain the advantages of maturity as well as
for a monopolist that engages in price discrimination when the price elasticity in market 1 is less in absolute value
q 400-05p and tc20000 50q3q2a total profit is maximized at output of 75062585075 or noneb what is profit maximizing
1 nbspa new machine will cost 100000 net cash flow before depreciation and taxes are 250000 per year for 5 years the
nbspthe fed fights inflation by1 lowering the long term real interest rate which increase investment and spurs economic