PRINCIPLES OF INSTRUMENTAL ANALYSIS
PRINCIPLES OF INSTRUMENTAL ANALYSIS
7th Edition
ISBN: 9789353506193
Author: Skoog
Publisher: CENGAGE L
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Chapter A1, Problem A1.18QAP
Interpretation Introduction

Interpretation:

The presence of the systematic error in the analysis at the 95% confidence interval is to be determined.

Concept introduction:

The confidence interval can be calculated as follows:

CI,μ=x¯±tsN

Where,

N = degree of freedom

μ = confidence interval

x¯ = mean

s = standard deviation

t = constant

Or,

tcalc=|x¯μ0s/N|

Null hypothesis-

H0=μ0

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