Auto correlation in regression model occurs

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Reference no: EM131707975

1) Auto correlation in a regression model occurs when there is some correlation-

a) among the explanatory variable

b) among the residuals and the value of the explanatory variables

c) between the eror in one period and the error in the next period

d) between the slope and intercept estimates

e) none of the above

2) The y intercept of a regression line is -14 and the slope is 3.5. which of the following is not correct

a) when y increases by one x increases by 3.5

b) when x increases by one Y increases by 3.5

c) the regression line crosses the y axis at -14

d) x and y are positively related

Reference no: EM131707975

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