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Lesson 3 (Confidence Intervals for the Populati Do you think that the t-test is a versatile test in the sense that it may be used for both small and large samples? Explain your answer. Lesson 4 (Point Estimate for the Population Pro... [ You have learned that frequencies can be reported as proportions or percentages. You have also learned that they can be used to estimate population values. Answer the following questions. Then discuss your answers with your classmates. 1. How useful are proportions in the reports of survey results? 2. Can you make sense out of poll surveys? 3. What do you feel or think when you listen to a poll survey result? Lesson 5 (Computing Interval Estimates of Pop... 1. Describe the Four-Step Procedure in determining estimates of population proportions. What modifications do you suggest? 2. Are results of poll surveys important in real life? 3. Why should poll surveys be subjected to statistical procedures? Exercises Write a problem, its representation, solution, and interpretation out of the following given. 1 = 120; X = 70; s = 2; 95% confidence Lesson 6 (Interpreting Interval Estimate of a Po.. 1. Between a point estimate and an interval estimate of a population proportion, which would you choose? Explain your choice. 2. Suppose a 95% confidence of an interval estimate for the population proportion of pizza lovers is between 50% and 60% for a particular topping what interpretation can you make? Lesson 7 (Confidence Level and Sample Size).p... You have learned that in determining sample size, you need three values: confidence level, population standard deviation, and desired error. Answer the following question and discuss it with a classmate. What are the practical reasons for learning how to use the formula in determining sample size