Calculate the mean and sample standard deviation for the following data: 90.0, 90.0, 85.0, 83.0, 80.0, 78.0, 77.0, 75.0, 70.0. Group of answer choices 79.8 ±± 5.83 79.8 ±± 6.23 80.9 ±± 6.75 80.9 ±± 6.37

Calculate the mean and sample standard deviation for the following data: 90.0, 90.0, 85.0, 83.0, 80.0, 78.0, 77.0, 75.0, 70.0. Group of answer choices 79.8 ±± 5.83 79.8 ±± 6.23 80.9 ±± 6.75 80.9 ±± 6.37

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

ChapterA1: Evaluation Of Analytical Data

Section: Chapter Questions

Problem A1.5QAP

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Question

Calculate the mean and sample standard deviation for the following data: 90.0, 90.0, 85.0, 83.0, 80.0, 78.0, 77.0, 75.0, 70.0.

Group of answer choices

79.8

±±

5.83

79.8

±±

6.23

80.9

±±

6.75

80.9

±±

6.37

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