Business Statistics MCQs and Notes

M

Mr. Dubey • 51.17K Points
Coach

Q 61. In regression analysis, if the independent variable is measured in kilograms, the dependent variable:

(A) must also be in kilograms

(B) must be in some unit of weight

(C) cannot be in kilograms

(D) can be any units

M

Mr. Dubey • 51.17K Points
Coach

Q 62. If the coefficient of determination is equal to 1, then the correlation coefficient :

(A) must also be equal to 1.

(B) can be either -1 or +1.

(C) can be any value between -1 to +1

(D) must be -1

M

Mr. Dubey • 51.17K Points
Coach

Q 63. If two variables, x and y, have a very strong linear relationship, then:

(A) there is evidence that x causes a change in y

(B) there is evidence that y causes a change in x

(C) there might not be any causal relationship between x and y

(D) None of these alternatives is correct.

M

Mr. Dubey • 51.17K Points
Coach

Q 64. If the coefficient of determination is a positive value, then the regression equation:

(A) must have a positive slope

(B) must have a negative slope

(C) could have either a positive or a negative slope

(D) must have a positive y intercept

M

Mr. Dubey • 51.17K Points
Coach

Q 65. In regression analysis, the variable that is used to explain the change in the outcome of an experiment, or some natural process, is called:

(A) the x-variable

(B) the independent variable

(C) the predictor variable

(D) the explanatory variable

M

Mr. Dubey • 51.17K Points
Coach

Q 66. In a regression analysis if r2 = 1, then :

(A) SSE must also be equal to one

(B) SSE must be equal to zero

(C) SSE can be any positive value

(D) SSE must be negative

M

Mr. Dubey • 51.17K Points
Coach

Q 67. In regression analysis, the variable that is being predicted is the:

(A) Response, or dependent, variable

(B) Independent variable

(C) intervening variable

(D) is usually x

M

Mr. Dubey • 51.17K Points
Coach

Q 68. In regression, the equation that describes how the response variable (y) is related to the explanatory variable (x) is:

(A) the correlation model

(B) the regression model

(C) used to compute the correlation coefficient

(D) None of these alternatives is correct.

M

Mr. Dubey • 51.17K Points
Coach

Q 69. If there is a very strong correlation between two variables then the correlation coefficient must be:

(A) any value larger than 1

(B) much smaller than 0, if the correlation is negative

(C) much larger than 0, regardless of whether the correlation is negative or positive

(D) None of these alternatives is correct

M

Mr. Dubey • 51.17K Points
Coach

Q 70. The correlation coefficient is used to determine:

(A) A specific value of the y-variable given a specific value of the x-variable

(B) A specific value of the x-variable given a specific value of the y-variable

(C) The strength of the relationship between the x and y variables

(D) None of these

Business Statistics

Q 61. In regression analysis, if the independent variable is measured in kilograms, the dependent variable:

Q 62. If the coefficient of determination is equal to 1, then the correlation coefficient :

Q 63. If two variables, x and y, have a very strong linear relationship, then:

Q 64. If the coefficient of determination is a positive value, then the regression equation:

Q 65. In regression analysis, the variable that is used to explain the change in the outcome of an experiment, or some natural process, is called:

Q 66. In a regression analysis if r2 = 1, then :

Q 67. In regression analysis, the variable that is being predicted is the:

Q 68. In regression, the equation that describes how the response variable (y) is related to the explanatory variable (x) is:

Q 69. If there is a very strong correlation between two variables then the correlation coefficient must be:

Q 70. The correlation coefficient is used to determine:

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