The confidence interval lower limit and upper limit for a population mean are (83.3, 85.9). What is the sample mean and the margin of error for the sample.A sample of size 58 with x¯ = 84.6 and s = 7.8 is used to estimate a population mean μ. Find the 80% confidence interval for μ.

The confidence interval lower limit and upper limit for a population mean are (83.3, 85.9). What is the sample mean and the margin of error for the sample.A sample of size 58 with x¯ = 84.6 and s = 7.8 is used to estimate a population mean μ. Find the 80% confidence interval for μ.

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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The confidence interval lower limit and upper limit for a population mean are (83.3, 85.9). What is the sample mean and the margin of error for the sample.A sample of size 58 with x¯ = 84.6 and s = 7.8 is used to estimate a population mean μ. Find the 80% confidence interval for μ.

Sample mean =_________

Margin of error =__________

Round the answers to one decimal.

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