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12 Cards in this Set
- Front
- Back
What type of statistical test involves a statement about the population parameter?
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parametric
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What is the number that is calculated from a sample that allows the null hypothesis to be tested
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test statistics
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Both hypotheses cannot be true at the same time - they must be _________ ________ (2 words).
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mutually exclusive
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The null and the alternative hypotheses are both statements about the _________ mean.
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population
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If the null is rejected, then the difference between the sample mean and the population mean is __________ .
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significant
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If the decision is 'fail to reject' the null, what must be the decision about the alternative hypothesis?
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do not accept
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What is the value of the significance level expressed as a probability?
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alpha
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if we fail to reject the null, then the difference between the sample mean and the population mean is most likely caused by ______ ______ . (2 words)
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sampling error
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The test statistic z is used to locate the ______ ____ on the standard normal distribution. (2 words)
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sample mean
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The function of the null hypothesis is to establish conditions under which the _______ _________ of the mean can be created. (2 words)
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sample distribution
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If the null hypothesis is rejected, the alternative hypothesis must be _________
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accepted
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Which hypothesis is the statement that must be true if the null hypothesis is false?
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alternative
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