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Topic
Political Science
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Political Science Research Methods
Political Science Research Methods
Political Science
Quiz 12 :
Statistical Inference
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Quiz 12 :
Statistical Inference
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Q01
Q01
Q01
A ___________ is the incorrect or mistaken rejection of a true null hypothesis.
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A
Q02
Q02
Q02
In order to test a hypothesis using the t-table one needs a confidence level, the number of tails and the _____________.
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D
Q03
Q03
Q03
A score of 1.96 means that the observed value is _____ standard deviations above the mean.
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B
Q04
Q04
Q04
A ___________ is failing to reject a false null hypothesis.
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Q05
Q05
Q05
If the observed statistic's absolute value is greater than or equal to the critical value, you should _________ the null hypothesis.
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Q06
Q06
Q06
As the sample size increases, the t-distribution approaches the shape of the ____________.
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Q07
Q07
Q07
A hypotheses stating that there is no relationship is usually called a ________ hypothesis.
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Q08
Q08
Q08
A _________ distribution is a mathematical function that indicates the probability of different values of the estimator occurring.
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Q09
Q09
Q09
As the standard deviation increases in size, the standard error of the mean _________.
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Q10
Q10
Q10
To claim that a result of a hypothesis test is statistically significant is to assert that a (null) hypothesis has been rejected with a specified probability of making a ______ error.
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Q11
Q11
Q11
When using a t-test, a confidence level of 0.90 is associated with an alpha level of
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Q12
Q12
Q12
Sampling distributions tell us the probability that our estimates fall within certain distances of the ______________.
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Q13
Q13
Q13
The general form of a confidence interval is
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Q14
Q14
Q14
A z-test uses the __________ distribution to test statistical significance.
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Q15
Q15
Q15
A t-test uses the ___________ distribution to test statistical significance.
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Q16
Q16
Q16
The _________________ refers to the range of likely values associated with a given probability or confidence level.
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Q17
Q17
Q17
A _______ score is the number of standard deviations by which a score deviates from the mean score.
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Q18
Q18
Q18
What is the difference between hypothesis testing and point estimation?
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