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10 Cards in this Set
- Front
- Back
1. The one-sample t-test differs from the z-test in which way? @Answer found in section 4.3 The One-sample t-Test, in Statistics for Managers |
1. The one-sample t-test differs from the z-test in which way? @Answer found in section 4.3 The One-sample t-Test, in Statistics for Managers |
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2. If a certifying agency raises the requirements for real estate agents, what sort of decision error is the agency protecting against? |
2. If a certifying agency raises the requirements for real estate agents, what sort of decision error is the agency protecting against? |
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3. What is the alternate hypothesis in a problem where sales group two is predicted to be “. . . significantly less productive than sales group one?” @Answer found in sections 4.3 The One-sample t-Test and 4.4 Hypothesis Testing, in Statistics for Managers |
3. What is the alternate hypothesis in a problem where sales group two is predicted to be “. . . significantly less productive than sales group one?” @Answer found in sections 4.3 The One-sample t-Test and 4.4 Hypothesis Testing, in Statistics for Managers |
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4. Which of the following defines statistical significance? |
4. Which of the following defines statistical significance? |
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5. The standard error of the mean can be calculated by dividing μ by the square root of the number of values in the distribution. |
5. The standard error of the mean can be calculated by dividing μ by the square root of the number of values in the distribution. |
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6. How does variability in the distribution of sample means compare to variability in a population based on individual scores? |
6. How does variability in the distribution of sample means compare to variability in a population based on individual scores? |
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7. The z-test can be used to test mean differences even when the initial data set is not normally distributed. |
7. The z-test can be used to test mean differences even when the initial data set is not normally distributed. |
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8. What is the advantage of a one-tailed test over a two-tailed test? @Answer found in section 4.3 The One-sample t-Test, in Statistics for Managers |
8. What is the advantage of a one-tailed test over a two-tailed test? @Answer found in section 4.3 The One-sample t-Test, in Statistics for Managers |
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9. The z- test requires an estimate of the population standard deviation. |
9. The z- test requires an estimate of the population standard deviation. |
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10. The standard error of the mean is actually the standard deviation of all of the means that make up the distribution of sample means. |
10. The standard error of the mean is actually the standard deviation of all of the means that make up the distribution of sample means. |