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Hypothesis Testing (Two Continuous Variables) MCQ

1. Is r coefficient the test statistic in a correlation analysis?

True

False

Answer

Correct Answer: True

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2. _____ is known as when a one-unit increase in the independent variable produces an increase in the dependent variable.

None of these

STATA

Positive correlation

SPSS

Answer

Correct Answer: Positive correlation

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3. _____ is defined as the bivariate statistical analysis used when both independent and dependent variables are continuous.

0.00–100.00

They have no range.

None of these

Pearson’s correlation

Answer

Correct Answer: Pearson’s correlation

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4. _____ is a relationship wherein the change in the dependent variable associated with a one-unit increase in the independent variable remains static or constant at all levels of the independent variable.

Linear relationship

There is no correlation between the two variables.

Unit of analysis

All of these

Answer

Correct Answer: Linear relationship

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5. Which statement describes the null hypothesis in correlation analysis?

There is no correlation between the two variables.

There is an undefined relationship between the two variables.

The variables are positively related.

None of these

Answer

Correct Answer: There is no correlation between the two variables.

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6. Coefficients less than zero signify what type of relationship between the variables?

Positive relationships

Undefined relationships

No relationships at all

Negative relationships

Answer

Correct Answer: Negative relationships

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7. What does the coefficient of determination represent?

The percentage of the DV that is explained by the other DV

The percentage of the DV that is explained by the IV

The percentage of the IV, explained by the DV

The correlation

Answer

Correct Answer: The percentage of the DV that is explained by the IV

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8. How are degrees of freedom calculated in correlation analysis?

Df = N – 2

Df = N – 1

Df = K – 1

Df = C1*R1

Answer

Correct Answer: Df = N – 2

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9. Correlation analysis uses which of the following statistical distributions?

Z distribution

F distribution

T distribution

Positively skewed distribution

Answer

Correct Answer: T distribution

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10. Which of the following statements describes a positive correlation?

When a unit increase in the IV produces an increase in the DV.

When a unit increase in the IV produces a decrease in the DV.

When two variables correlate at 1.00.

None of these

Answer

Correct Answer: When a unit increase in the IV produces an increase in the DV.

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11. The population correlation is represented by which Greek letter?

Alpha

Beta

Omega

Rho

Answer

Correct Answer: Rho

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12. Which of the following concepts describes the bivariate relationships represented by correlations?

Quadratic

Dichotomous

Linear

Categorical

Answer

Correct Answer: Linear

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13. Which of the following measures do researchers NOT explore when the null is rejected in a correlation analysis?

Tukey’s HSD test

Magnitude

Coefficient of determination

Sign

Answer

Correct Answer: Tukey’s HSD test

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14. The coefficient of determination is denoted by r2.

True

False

Answer

Correct Answer: True

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15. If a null hypothesis is retained, the magnitude of the correlation is examined.

True

False

Answer

Correct Answer: False

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16. A zero correlation signifies no relationship between the variables.

True

False

Answer

Correct Answer: True

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17. Correlations can be tested with more than one dependent variable at the same time.

True

False

Answer

Correct Answer: False

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18. A correlation is used when both variables are continuous.

True

False

Answer

Correct Answer: True

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