a) What are the values for the following variables?•x=•s=•n=• (degrees of freedom) df =B)What is the critical value, Tc corresponding to a 90% confidence level? C)Compute the margin of error,D) write out a 90% confidence interval about |u How long is your commute to school? For a random sample 16 LaGuardiastudents, the mean commute time was 33 minutes. The standard deviation for thesample was 10 minutes. Answer the questions below to construct a 90% confidenceinterval about the population mean, u. Assume that student commute times are nor-mally distributed.

Formula for confidence interval is

What are the values for the following variables? •x= •s= •n= • (degrees of freedom) df = B)What is the critical value, Tc corresponding to a 90% confidence level? C)Compute the margin of error, D) write out a 90% confidence interval about |u

What are the values for the following variables? •x= •s= •n= • (degrees of freedom) df = B)What is the critical value, Tc corresponding to a 90% confidence level? C)Compute the margin of error, D) write out a 90% confidence interval about |u

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

a) What are the values for the following variables? •x= •s= •n= • (degrees of freedom) df = B)What is the critical value, Tc corresponding to a 90% confidence level? C)Compute the margin of error, D) write out a 90% confidence interval about |u

How long is your commute to school? For a random sample 16 LaGuardia
students, the mean commute time was 33 minutes. The standard deviation for the
sample was 10 minutes. Answer the questions below to construct a 90% confidence
interval about the population mean, u. Assume that student commute times are nor-
mally distributed.

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