A sample of 18 observations taken from a normally distributed population produced the following data: 28.5 27.2 25.4 25.2 31.5 23.3 26.4 24.2 28.4 37.5 23.5 28.7 27.6 25.1 27.3 25.1 22.5 22.7 Round your answers to three decimal places. a. What is the point estimate of µ? I = 26.672 b. Make a 99% confidence interval for u. c. What is the margin of error of estimate for µ in part b? E = i

A sample of 18 observations taken from a normally distributed population produced the following data: 28.5 27.2 25.4 25.2 31.5 23.3 26.4 24.2 28.4 37.5 23.5 28.7 27.6 25.1 27.3 25.1 22.5 22.7 Round your answers to three decimal places. a. What is the point estimate of µ? I = 26.672 b. Make a 99% confidence interval for u. c. What is the margin of error of estimate for µ in part b? E = i

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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Question

Hi there,

I don't know how to solve part b or c. Could you please show step-by-step how to calculate standard deviation? As well as the margin of error. Thank you

A sample of 18 observations taken from a normally distributed population produced the following data:
28.5 27.2 25.4 25.2 31.5 23.3 26.4 24.2 28.4
37.5 23.5 28.7 27.6 25.1 27.3 25.1 22.5 22.7
Round your answers to three decimal places.
a. What is the point estimate of u?
26.672
b. Make a 99% confidence interval for u.
!
i
! )
c. What is the margin of error of estimate for u in part b?
E =
i

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