When the population standard deviation is known, z scores are appropriate to test a sample mean.
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Q41: The standard deviation of a sampling distribution
Q42: The larger the difference between the sample
Q43: Assuming a two-tailed one sample test is
Q44: According to the Central Limit Theorem, as
Q45: t-tests are used to test a sample
Q47: A normal distribution is one in which
Q48: A confidence interval computed for the mean
Q49: A sampling distribution of the mean is
Q50: When comparing the mean of a sample
Q51: The confidence intervals for two separate samples
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