A _____________ is a procedure for testing a claim about a property of a population.hypothesis testprobability simulationpollfrequency table
The _________ hypothesis is a statement that the value of a population parameter is equal to some claimed value.statisticalternativeclaimnull
Which of the following is NOT true about the tails in a distribution?A. The critical region in a left-tailed test is in the extreme left tail.B. The tails in a distribution are the extreme critical regions bounded by critical values.C. The symbol ≠ is often expressed in computer science as , and this is a great reminder that an alternative hypothesis with the symbol ≠ corresponds to a two tailed test.D. The inequality symbol in the alternative hypothesis points away from thecritical region.

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Which of the following is not a requirement for testing a claim about a population with σ not known?A. The value of the population standard deviation is not known.B. The population mean, μ, is equal to 1.C. The sample is a simple random sample.D. Either the population is normally distributed or n > 30 or both.
Which of the following is not a characteristic of the t test?A. The t test is robust against a departure from normality.B. The Student t distribution is different for different sample sizes.C. The Student t distribution has the same general bell shape as the standard normal distribution.D. The Student t distribution has a mean of t 0 and a standard deviation of s 1.
Which of the following is not true when using the confidence interval method for testing a claim about μ when σ is unknown?A. For a two-tailed hypothesis test with a 0.05 significance level, one must construct a 95% confidence interval.B. The P-value method, the traditional method, and the confidence interval method are equivalent and yield the same results.C. For a one-tailed hypothesis test with a 0.05 significance level, one must construct a 90% confidence interval.D. The P-value method and the classical method are not equivalent to the confidence interval method in that they may yield different results.
D. The P-value method and the classical method are not equivalent to the confidence interval method in that they may yield different results.

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Which of the following is NOT a requirement for testing a claim about a population mean with σ known?A. The sample is a simple random sample.B. Either the population is normally distributed or n > 30 or both.C. The sample mean, x is greater than 30.D. The value of the population standard deviation is known.
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