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Calculate the mean and standard deviation for the following results for the concentration of lead in a soil sample. 23.2 ppm, 20.1 ppm, 24.7 ppm, 19.9 ppm, 21.8 ppm ○ 27.4±4.2 (n = 5) ppm O 21.9 ± 2.0 (n =5) ppm O 21.9±3.4 (n = 5) ppm O 22.0 ± 1.8 (n = 5) ppm O 27.4±2.0 (n = 5) ppm

Calculate the mean and standard deviation for the following results for the concentration of lead in a soil sample. 23.2 ppm, 20.1 ppm, 24.7 ppm, 19.9 ppm, 21.8 ppm ○ 27.4±4.2 (n = 5) ppm O 21.9 ± 2.0 (n =5) ppm O 21.9±3.4 (n = 5) ppm O 22.0 ± 1.8 (n = 5) ppm O 27.4±2.0 (n = 5) ppm

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Calculate the mean and standard deviation for the following results for the concentration of lead in a soil sample. 23.2 ppm, 20.1 ppm, 24.7 ppm, 19.9 ppm, 21.8 ppm ○ 27.4±4.2 (n = 5) ppm O 21.9 ±2.0 (n =5) ppm ○ 21.9±3.4 (n = 5) ppm O 22.0 ± 1.8 (n = 5) ppm ○ 27.4±2.0 (n = 5) ppm
Transcribed Image Text:Calculate the mean and standard deviation for the following results for the concentration of lead in a soil sample. 23.2 ppm, 20.1 ppm, 24.7 ppm, 19.9 ppm, 21.8 ppm ○ 27.4±4.2 (n = 5) ppm O 21.9 ±2.0 (n =5) ppm ○ 21.9±3.4 (n = 5) ppm O 22.0 ± 1.8 (n = 5) ppm ○ 27.4±2.0 (n = 5) ppm
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