Practice More Questions From: Week 2 Assessment
Q:
In this regression, what are the explanatory variables?
Q:
Once the regression is performed Observations should be equal to:
Q:
According to the plot of the data what seems to be the causal relationships in this data set?
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From the list below, what is the best Chart Option to demonstrate the causal relationships in this model?
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In the regression output, what does -49.59 (rounded to 2 decimal places) represent? If you do not see this figure in your regression output, you should re-do your regression.
Q:
In the regression output, what does 962.58 (rounded to 2 decimal places) represent? If you do not see this figure in your regression output, you should re-do your regression.
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In the regression output, what does 3.86944E-06 tell us? If you do not see this figure in your regression output, you should re-do your regression.
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In the regression output, what does 0.823113663 tell us? If you do not see this figure in your regression output, you should re-do your regression.
Q:
In the regression output, what does the figure 1.36583E-05 represent? If you do not see this figure in your regression output, you should re-do your regression.
Q:
From the regression output, what is the coefficient of Price (rounded to 2 decimal places)?
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From the regression output, what is the t-statistic of the coefficient of Advertising (rounded to 2 decimal places)?
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From the regression output, what is the p-value of the coefficient of Advertising (rounded to 2 decimal places)?
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From the regression output, what is the value of the intercept (rounded to 2 decimal places)?
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From the regression output, what is the value of R Square (rounded to 2 decimal places)?
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From the regression output, what is within-sample forecast for Bella Vista (reported in units ‘000s) (rounded to 2 decimal places)?
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From the regression output, what is within-sample forecast for Macquarie Park (reported in units ‘000s) (rounded to 2 decimal places)?
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From the regression output, what is the forecast for sales when Price and Advertising are at their average values (reported in units ‘000s) (rounded to 0 decimal places)?
Q:
From the regression output, what is the forecast for sales when Price takes on the lowest value amongst the listed prices in the sample and Advertising takes on the highest value from the listed advertising in the sample (reported in units ‘000s) (rounded to 0 decimal places)?
Q:
From the regression output, what is the forecast for sales when Price takes on the highest value amongst the listed prices in the sample and Advertising takes on the lowest value from the listed advertising in the sample (reported in units ‘000s) (rounded to 0 decimal places)?
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