You intend to estimate a population mean u from the following sample.26.5-3.216.814.544.543.414.6You believe the population is normally distributed. Find the 80% confidence interval. Enter youranswer as an open-interval (i.e., parentheses) accurate to two decimal places (because the sampledata are reported accurate to one decimal place).80% C.I. =%3DAnswer should be obtained without any preliminary rounding. However, the critical value may berounded to 3 decimal places.

Answered: Image /qna-images/answer/9ec4f3a8-0e4f-4130-ad12-d2b23b617b1e.jpg

Answered: places (because the sample data are…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable estimate for the population proportion. You would like to be 95% confident that you esimate is within 0.01 of the true population proportion. How large of a sample size is required?
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places (because the sample data are reported accurate to one decimal place). 80% C.I. = Answer should be obtained without any preliminary rounding. However, the critical value may be rounded to 3 decimal places.