Value of a statistic that separates the regions of rejection and nonrejection Is called
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Correct Answer:
Critical value
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µ ≠ 80 is an example of ______.
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A non-directional alternative hypothesis
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Hypothesis testing involves stating H0 and H1.
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True
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Hypothesis testing can ______.
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Provide support for either the research hypothesis or the null hypothesis
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H0 stands for ______.
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The null hypothesis
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A directional alternative hypothesis could also be considered a null hypothesis.
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False
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It is possible to reject the null hypothesis when it is actually true.
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True
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It is customary in many disciplines for alpha to be set at ______.
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.05 or 5%
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The research hypothesis in a study is typically non-directional.
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False
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If Mary, John, Sue and Fred are entered into a (4 person) lottery, what is the probability that John will win?
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Correct Answer:
.25
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A non-directional alternative hypothesis could also be considered two-tailed.
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True
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µ > 60 is an example of ______.
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A directional alternative hypothesis
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H0 and H1 ______.
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Must be mutually exclusive
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You are doing hypothesis testing to determine if students who take a new course (Introduction to Personal Finance) have less debt upon graduation than the general population of college students. The null hypothesis would be that ______.
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Correct Answer:
There is no difference between students who take the course and the general population of college students
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Doing 2 flips of a fair coin, what is the probability of getting 2 heads?
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Correct Answer:
.25
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You are doing hypothesis testing to determine if students who take a new course (Introduction to Healthy Behaviors) have healthier eating and exercise habits than the general population of college students. The research hypothesis would be that ______.
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Correct Answer:
Students who take the course have heathier eating and exercise habits than those who do not
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Directional Alternative hypothesis that indicates the direction of the change, difference, or relationship.
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True
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Non directional Alternative hypothesis that does not indicate the direction of the change, difference, or relationship between groups or variables.
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True
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Rule specifying the values of the statistic that result in the decision to reject or not reject the null hypothesis is decision rule
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True
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Values of a statistic that result in the decision to not reject the null hypothesis is region of non rejection
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Correct Answer:
True
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Values of a statistic that result in the decision to reject the null hypothesis is region of rejection
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True
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Probability of a statistic used to make the decision whether to reject the null hypothesis is called
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Alpha
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Statistical hypothesis that a hypothesized change, difference, or relationship among groups or variables does exist in the population is called
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Alternative hypothesis
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Statistical hypothesis that a hypothesized change, difference, or relationship among groups or variables does not exist in the population is called
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Null hypothesis
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Statement about an expected outcome or relationship involving population parameters is called
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Statistical hypothesis
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Distribution of probabilities for a binomial variable is binomial ___
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Distribution
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Variable consisting of exactly ____ categories is binomial variable
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Two
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Differences between statistics calculated from a sample and statistics pertaining to the population from which the sample is drawn due to random, chance factors is sampling error
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True
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Combined probability of mutually exclusive outcomes is the sum of the individual probabilities is ___ rule
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Addition
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Likelihood of occurrence of a particular outcome of an event given all possible outcomes is called
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Correct Answer:
Probability
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