Answered: 1) Use the simple and conservative… | bartleby

MATLAB: An Introduction with Applications

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

1) Use the simple and conservative estimate to find the degrees of freedom and find only the critical values to test
the claim that µ1 = μ2. Two samples are random, independent, and come from populations that are normal. The
2
sample statistics are given below. Assume that o 1 o 2. Use a = 0.05. Do not conduct the hypothesis testing.
*
n₁ = 25
x1 = 28
$1 = 1.5
n2=30
x2 = 26
$21.9
2) Find d. Assume the samples are random and dependent, and the populations are normally distributed.
A 5.0 6.0 7.9 4.9
B 7.4 6.3 6.2 6.1
5.0
7.5
3) Find only the margin of error to construct a 98% confidence interval for p1 - P2. Assume the samples are random
and independent. Do not construct a confidence interval.
Sample statistics: n₁ = 1000, x1 = 250, and n2 = 1200, x2 = 195

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