you may need to use the appropriate appendix table to answer this question. This exercise is a "what-if" analysis design

Business, Finance, Economics, Accounting, Operations Management, Computer Science, Electrical Engineering, Mechanical Engineering, Civil Engineering, Chemical Engineering, Algebra, Precalculus, Statistics and Probabilty, Advanced Math, Physics, Chemistry, Biology, Nursing, Psychology, Certifications, Tests, Prep, and more.
Post Reply
answerhappygod
Site Admin
Posts: 899603
Joined: Mon Aug 02, 2021 8:13 am

you may need to use the appropriate appendix table to answer this question. This exercise is a "what-if" analysis design

Post by answerhappygod »

you may need to use the appropriate appendix table toanswer this question.
This exercise is a "what-if" analysis designed to determine whathappens to the interval estimate when the confidence levelchanges.
(a)
A statistics practitioner took a random sample of 75observations from a population with a standard deviation of 16 andcomputed the sample mean to be 150. Estimate the population meanwith 90% confidence. (Round your answers to two decimalplaces.)
LCL=
UCL=
(b)
Repeat part (a) using a 95% confidence level. (Round youranswers to two decimal places.)
LCL=
UCL=
(c)
Repeat part (a) using a 99% confidence level. (Round youranswers to two decimal places.)
LCL=
UCL=
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!
Top
Post Reply

Return to “Archived Questions & Answers”