Q. In regression analysis, if the independent variable is measured in kilograms, the dependent variable:
✅ Correct Answer: (D)
can be any units
Business Statistics MCQs and Notes
Q. If the coefficient of determination is equal to 1, then the correlation coefficient :
✅ Correct Answer: (B)
can be either -1 or +1.
Q. If two variables, x and y, have a very strong linear relationship, then:
✅ Correct Answer: (A)
there is evidence that x causes a change in y
Q. If the coefficient of determination is a positive value, then the regression equation:
✅ Correct Answer: (C)
could have either a positive or a negative slope
Q. In regression analysis, the variable that is used to explain the change in the outcome of an experiment, or some natural process, is called:
✅ Correct Answer: (C)
the predictor variable
Q. In a regression analysis if r2 = 1, then :
✅ Correct Answer: (B)
SSE must be equal to zero
Q. In regression analysis, the variable that is being predicted is the:
✅ Correct Answer: (A)
Response, or dependent, variable
Q. In regression, the equation that describes how the response variable (y) is related to the explanatory variable (x) is:
✅ Correct Answer: (B)
the regression model
Q. If there is a very strong correlation between two variables then the correlation coefficient must be:
✅ Correct Answer: (B)
much smaller than 0, if the correlation is negative
Q. The correlation coefficient is used to determine:
✅ Correct Answer: (C)
The strength of the relationship between the x and y variables