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Testing Relationships in Political Science MCQ

Testing Relationships in Political Science MCQ

 

1. Confidence level is degree of belief or probability that an estimated range of values includes or covers the population parameter

Answer

Correct Answer: True

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2. If you are predicting that your sample statistic is different from the population parameter, but you are not predicting whether it is smaller or larger, you will be conducting a ______.

Answer

Correct Answer: Two-tailed test

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3. Which of the following is used to describe the absence of a statistical relationship between two or more variables?

Answer

Correct Answer: Null

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4. We have more certainty in a large sample size and less certainty in a small sample size.

Answer

Correct Answer: True

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5. As the sample size grows, the t-distribution looks more and more like the normal distribution until they are identical with a sufficiently large sample size.

Answer

Correct Answer: True

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6. To calculate the standard error of the mean you simply divide the standard deviation by the square root of the sample size.

Answer

Correct Answer: True

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7. To calculate the degrees of freedom for use in a t-test, you use which of the following formulas (where N = the sample size)?

Answer

Correct Answer: N − 1

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8. Which of the following statistics measures how much variation (or imprecision) there is in the sample estimator of the mean?

Answer

Correct Answer: Standard error of the mean

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9. Level of significance (like 0.05) indicates the chance of making a type II error.

Answer

Correct Answer: False

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10. A type ______ error is made by failing to reject a null hypothesis when it is not true.

Answer

Correct Answer: Two

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11. Inference refers to reasoning from available information or facts to reach a conclusion.

Answer

Correct Answer: True

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12. In which score the number of standard deviations by which a score deviates from the mean score?

Answer

Correct Answer: Z

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13. Error made by failing to reject a null hypothesis when it is not true is known as

Answer

Correct Answer: Type II

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14. Error made by rejecting a null hypothesis when it is true is called

Answer

Correct Answer: Type I

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15. A convention for testing hypotheses that focuses on the probability of making a type ____ error.

Answer

Correct Answer: I

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16. The probability of making a type ____ error.

Answer

Correct Answer: I

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17. Two types of hypotheses essential to hypothesis testing is called

Answer

Correct Answer: Statistical hypothesis

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18. In which hypothesis statement about the value or values of a population parameter?

Answer

Correct Answer: Research hypothesis

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19. In which hypothesis statement about the value or values of a population parameter?

Answer

Correct Answer: Research hypothesis

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20. A statement that a population parameter equals a single or specific value is called

Answer

Correct Answer: Null hypothesis

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21. Confidence interval is a range of values into which a population parameter is likely to fall for a given level of confidence.

Answer

Correct Answer: True

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22. A statement about the value or values of a population parameter is called

Answer

Correct Answer: Alternative hypothesis

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