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a student makes 6 replicate readings and wants to calculate 95% confidence interval. which t value should they use?

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter32: Radiochemical Methods

Section: Chapter Questions

Problem 32.6QAP

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Question

a student makes 6 replicate readings and wants to calculate 95% confidence interval. which t value should they use?

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Step 1: Calculate the sample mean (x̄) and standard deviation (s)

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Step 2: Determine the degrees of freedom (df)

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Step 3: Find the t-value for a 95% confidence interval

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Step 4: Calculate the standard error of the mean (SE)

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Step 5: Calculate the margin of error (ME)

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Step 6: Calculate the confidence interval

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