Home > Statistics (Social And Behavioral Sciences) > Introduction to Statistics Hypothesis Testing MCQ

# Statistics (Social And Behavioral Sciences) MCQ

### Value of a statistic that separates the regions of rejection and nonrejection Is called

Correct Answer: Critical value

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### µ ≠ 80 is an example of ______.

Correct Answer: A non-directional alternative hypothesis

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### Hypothesis testing involves stating H0 and H1.

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### Hypothesis testing can ______.

Correct Answer: Provide support for either the research hypothesis or the null hypothesis

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### H0 stands for ______.

Correct Answer: The null hypothesis

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### A directional alternative hypothesis could also be considered a null hypothesis.

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### It is possible to reject the null hypothesis when it is actually true.

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### It is customary in many disciplines for alpha to be set at ______.

Correct Answer: .05 or 5%

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### The research hypothesis in a study is typically non-directional.

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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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### A non-directional alternative hypothesis could also be considered two-tailed.

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### µ > 60 is an example of ______.

Correct Answer: A directional alternative hypothesis

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### H0 and H1 ______.

Correct Answer: 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 ______.

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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### 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 ______.

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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### Non directional Alternative hypothesis that does not indicate the direction of the change, difference, or relationship between groups or variables.

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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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### Values of a statistic that result in the decision to not reject the null hypothesis is region of non rejection

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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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### Probability of a statistic used to make the decision whether to reject the null hypothesis is called

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### Statistical hypothesis that a hypothesized change, difference, or relationship among groups or variables does exist in the population is called

Correct Answer: 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

Correct Answer: Null hypothesis

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### Statement about an expected outcome or relationship involving population parameters is called

Correct Answer: Statistical hypothesis

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### Distribution of probabilities for a binomial variable is binomial ___

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### Variable consisting of exactly ____ categories is binomial variable

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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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