Stats Study Test Questions with Correct Answers
A least squares regression line - Answer-may be used to predict a value of y if the corresponding x value is given
In regression analysis if the dependent variable is measured in dollars, the independent variable - Answer-can be any units
Reg...
Stats Study Test Questions
with Correct Answers
A least squares regression line - Answer-may be used to predict a value of y if the
corresponding x value is given
In regression analysis if the dependent variable is measured in dollars, the independent
variable - Answer-can be any units
Regression analysis was applied between sales (in $1,000) and advertising (in $100),
and the following regression function was obtained.
= 80 + 6.2x - Answer-$700,000
Regression analysis was applied between sales (in $1000) and advertising (in $100)
and the following regression function was obtained.
= 500 + 4x - Answer-$900,000
A regression analysis between demand (y in 1000 units) and price (x in dollars) resulted
in the following equation
= 9 − 3x
The above equation implies that if the price is increased by $1, the demand is expected
to - Answer-decrease by 3,000 units
A regression analysis between sales (in $1000) and price (in dollars) resulted in the
following equation
= 50,000 − 8x - Answer-increase of $1 in price is associated with a decrease of $8000
in sales
A regression analysis between sales (y in $1000) and advertising (x in dollars) resulted
in the following equation
= 50,000 + 6x
The above equation implies that an - Answer-increase of $1 in advertising is associated
with an increase of $6,000 in sales
SSE can never be - Answer-larger than SST
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