Answered: Can we recheck C. interval was…

Math

Statistics

Can we recheck C. interval was incorrect

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter12: Multiplication Of Decimal Fractions

Section: Chapter Questions

Problem 6A: Determine the length of C.

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Question

Can we recheck C. interval was incorrect

Expert Solution

Step 1

Answer for part C.

Given data :

Provide a 95% CI (in ppm) for the difference in mean CO between the smoking and nonsmoking working environments. (Enter your answer using interval notation. Round your numerical values to two decimal places.

x₁= 11.8

x₂ = 6.7

s₁ = 7.4

s₂ = 2.8

n₁ = n₂ = 40

Alpha = 0.05

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