Chapter Summary 337 6 Chapter Summary Example(s) Review Exercises What Did You Learn? Section 6.1 How to find a point estimate and a margin of error 1, 2 1, 2 How to construct and interpret confidence intervals for a population mean when s is known 3–5 3–6 How to determine the minimum sample size required when estimating a population mean 6 7, 8 Section 6.2 How to interpret the t@distribution and use a t@distribution table 1 9–12 How to construct and interpret confidence intervals for a population mean when s is not known 2–4 13–18 Section 6.3 How to find a point estimate for a population proportion 1 19–24 How to construct and interpret confidence intervals for a population proportion 2, 3 19–24 How to determine the minimum sample size required when estimating a population proportion 4 25, 26 Section 6.4 How to interpret the chi-square distribution and use a chi-square distribution table 1 27–30 How to construct and interpret confidence intervals for a population variance and standard deviation 2 31, 32 Study Strategies Taking a Test Test taking can be stressful. Here are some things you can do to improve your performance on tests. • Arrive at the test site early. • As soon as you receive the test, preview it. Write down things you may have difficulty remembering, such as formulas, on the back of the test. • Answer problems you know how to solve first. • Next, attempt the problems that may be a challenge for you. Do not entirely skip them. Receiving partial credit is better than receiving no credit. • Read the test problems carefully. Pay particular attention to wording in test problems that could cause confusion, such as “at least” or “no more than.” • If the test is multiple choice, decide what the answer should be before reading the choices. Sometimes, you may have to make an educated guess. You may be able to eliminate answers that are obviously wrong or test each answer. • Check your progress. Try to have more than half of the test completed before half of the allotted time has passed. • However, take your time. Do not be concerned about being the last student to finish. • As soon as you complete the test, review it. Correct any mistakes you find. For more information, visit Skills for Success in the accompanying MyLab course.
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