Conditions For Estimation: When a population standard deviation is NOT known, which distribution can sometimes be used to calculate the margin of error to construct a confidence interval estimate for the population mean ux?

5.11. MODULE 13-14ESTIMATION 445 6.14.6.2 First Homework on Estimating the Population Mean Us ing Electronic Devices and Software (Sigma NOT Known) (Mochale 10 Topic 5 HW1) Date Due: Student's Name: Use a calculator, spreadsheet, or other technology to find the indicated confidence interval estimates wing CT distribution This topic just provides a different method for doing the me problems from the previous section (section EatMu WithStde), bot make sure you use the new method when you do the exercises. See the din section above for instruction on using the Excel and 11 fanctions introduced here For the more theoretical questions, see the heading "Validity Condi tions for Confidence interval Estimates above 1. Conditions for Estimation (a) When the populatan standard deviation exis Next known, which distribution concertime bed to calculate the margin of error to contruct a cofidio tertio the population men 2 Aruwer (b) When the population standarde destation known which them tells us that the normal distribution contain circumstances to asd to calculate the bottom struct the contiene interval estime for the population mean x? (Hint The CLTO 30 CLT. NOT thens What the theater from there tople in this moddid 1402 Ans le) When the population andard deviatio NOT , what connect distribution bed to Laste the map of error to strategista for the populitin me Ankar. We must have both contos ( 12) bidet to apply Goes Theorem The conditii 446 CHAPTER 5. INFERENCE (1) We have a sample, represen- tative of the population, and (2) we have either X is roughly or the sample size (d) The discussion section for this topic (ne above) introduces a new Excel spreadsheet function that you can use to find the margin of error E for a confidence interval estimate for the population mcan Ax when axis NOT known. This function lets you avoid manually substituting into B = (). What is the name of the function that is introduced in this topic discussion? Answer (@) When the population standard deviation is NOT known, if the sample is not a simple random sample can attaching a "confidence level to the estimate be mathematically justified by appealing to Gossett's theorem? Answer select one choice YES ( When the population standard deviation Exis NOU known, i the sample is all then under what circumstances, is attaching a confidence level to the estimate mathematically justified? AWO O NO a) When the population and deviation & NOT ki the distribute the wine then inder what into the distribution till botolete () When the population standard deviation Ixis NOT known, if the distribution of the variable is not normal, then under what circumstances can the T distribution still be used to to calculate 5.14. MODULE 13-14. ESTIMATION the margin of error to construct a confidence interval estimate for the population mean ux? Answer 5.11. MODULE 13-14ESTIMATION 445 6.14.6.2 First Homework on Estimating the Population Mean Us ing Electronic Devices and Software (Sigma NOT Known) (Mochale 10 Topic 5 HW1) Date Due: Student's Name: Use a calculator, spreadsheet, or other technology to find the indicated confidence interval estimates wing CT distribution This topic just provides a different method for doing the me problems from the previous section (section EatMu WithStde), bot make sure you use the new method when you do the exercises. See the din section above for instruction on using the Excel and 11 fanctions introduced here For the more theoretical questions, see the heading "Validity Condi tions for Confidence interval Estimates above 1. Conditions for Estimation (a) When the populatan standard deviation exis Next known, which distribution concertime bed to calculate the margin of error to contruct a cofidio tertio the population men 2 Aruwer (b) When the population standarde destation known which them tells us that the normal distribution contain circumstances to asd to calculate the bottom struct the contiene interval estime for the population mean x? (Hint The CLTO 30 CLT. NOT thens What the theater from there tople in this moddid 1402 Ans le) When the population andard deviatio NOT , what connect distribution bed to Laste the map of error to strategista for the populitin me Ankar. We must have both contos ( 12) bidet to apply Goes Theorem The conditii 446 CHAPTER 5. INFERENCE (1) We have a sample, represen- tative of the population, and (2) we have either X is roughly or the sample size (d) The discussion section for this topic (ne above) introduces a new Excel spreadsheet function that you can use to find the margin of error E for a confidence interval estimate for the population mcan Ax when axis NOT known. This function lets you avoid manually substituting into B = (). What is the name of the function that is introduced in this topic discussion? Answer (@) When the population standard deviation is NOT known, if the sample is not a simple random sample can attaching a "confidence level to the estimate be mathematically justified by appealing to Gossett's theorem? Answer select one choice YES ( When the population standard deviation Exis NOU known, i the sample is all then under what circumstances, is attaching a confidence level to the estimate mathematically justified? AWO O NO a) When the population and deviation & NOT ki the distribute the wine then inder what into the distribution till botolete () When the population standard deviation Ixis NOT known, if the distribution of the variable is not normal, then under what circumstances can the T distribution still be used to to calculate 5.14. MODULE 13-14. ESTIMATION the margin of error to construct a confidence interval estimate for the population mean ux