Question Tag: Variables

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QTB – MAY 2017 – L1 – SA – Q3 – Mathematics.

A multiple-choice question assessing knowledge of simultaneous equations and variable relations.

Which of the following is NOT TRUE about simultaneous equations?

A. The number of variables must be equal to the number of equations.
B. Where two lines intersect, the values of the variables at that point must satisfy the equations.
C. The simultaneous equations must be satisfied by values of the variables as well as their reciprocals.
D. Their solution involves finding the values of the variables which are true to all the simultaneous equations.
E. The result of adding the equations or subtracting one equation from the other will be satisfied by the values of the variables.

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QTB – Nov 2014 – L1 – SA – Q5 – Statistics

Identifies the correct measure of relationship between variables.

The measure of relationship that exists between two or more variables is known as the coefficient of:
A. Skewness
B. Variation
C. Kurtosis
D. Determination
E. Correlation

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QTB – May 2015 – L1 – SA – Q9 – Statistics

Identifying the dependent and independent variables in regression analysis.

A sales manager of a manufacturing company is to predict the sales of some products for given expenditures on advertising using a simple linear regression analysis. In the fitted regression equation, the sales and advertising expenditure are respectively ____________ and ________________ variables.

A. Independent, dependent
B. Dependent, independent
C. Fixed, dependent
D. Dependent, fixed
E. Nominal, categorical

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QTB – MAY 2017 – L1 – SA – Q3 – Mathematics.

A multiple-choice question assessing knowledge of simultaneous equations and variable relations.

Which of the following is NOT TRUE about simultaneous equations?

A. The number of variables must be equal to the number of equations.
B. Where two lines intersect, the values of the variables at that point must satisfy the equations.
C. The simultaneous equations must be satisfied by values of the variables as well as their reciprocals.
D. Their solution involves finding the values of the variables which are true to all the simultaneous equations.
E. The result of adding the equations or subtracting one equation from the other will be satisfied by the values of the variables.

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QTB – Nov 2014 – L1 – SA – Q5 – Statistics

Identifies the correct measure of relationship between variables.

The measure of relationship that exists between two or more variables is known as the coefficient of:
A. Skewness
B. Variation
C. Kurtosis
D. Determination
E. Correlation

Login or create a free account to see answers

Find Related Questions by Tags, levels, etc.

QTB – May 2015 – L1 – SA – Q9 – Statistics

Identifying the dependent and independent variables in regression analysis.

A sales manager of a manufacturing company is to predict the sales of some products for given expenditures on advertising using a simple linear regression analysis. In the fitted regression equation, the sales and advertising expenditure are respectively ____________ and ________________ variables.

A. Independent, dependent
B. Dependent, independent
C. Fixed, dependent
D. Dependent, fixed
E. Nominal, categorical

Login or create a free account to see answers

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