Refer to Exercise 16.18. Estimate with 95% confidence the mean percentage of defectives for workers who score 80 on the dexterity test.
Answer to relevant QuestionsRefer to Exercise 16.45. Time spent watching or reading new on the Internet by a person with 15 year of education.Refer to Exercise 16.53. Income of someone who works 40 hours per week.Refer to Exercise 16.64. Number of years of education of a person whose mother had 20 years of education.Refer to Exercise 16.7.a. Does it appear that the errors are normally distributed? Explain.b. Does it appear that heteroscedasticity is a problem? Explain.Check to ensure that the required conditions for Exercise 16.16 are satisfied.
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