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Measurements of the mass of a large sample of steel reinforcement rods produced the following table 6.495- 6.515- 6.535- 6.555- 6.575- 6.595- 6.615- 6.635- 6.655- 6.675- 6.695- Class (kg) 6.515 6.535 6.555 6.575 6.595 6.615 6.635 6.655 6.675 6.695 6.715 Frequency 18 26 30 33 26 22 19 9 a) Calculate the mean to three decimal places kg b) Calculate the standard deviation. Round your answer to 3 decimal places. 1. 2. 6.

Measurements of the mass of a large sample of steel reinforcement rods produced the following table 6.495- 6.515- 6.535- 6.555- 6.575- 6.595- 6.615- 6.635- 6.655- 6.675- 6.695- Class (kg) 6.515 6.535 6.555 6.575 6.595 6.615 6.635 6.655 6.675 6.695 6.715 Frequency 18 26 30 33 26 22 19 9 a) Calculate the mean to three decimal places kg b) Calculate the standard deviation. Round your answer to 3 decimal places. 1. 2. 6.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Measurements of the mass of a large sample of steel reinforcement rods produced the following table 6.495- 6.515- 6.535- 6.555- 6.575- 6.595- 6.615- 6.635- 6.655- 6.675- 6.695- Class (kg) 6.515 6.535 6.555 6.575 6.595 6.615 6.635 6.655 6.675 6.695 6.715 Frequency 18 26 30 33 26 22 19 9 2 a) Calculate the mean to three decimal places kg b) Calculate the standard deviation. Round your answer to 3 decimal places. 1. 6.
Transcribed Image Text:Measurements of the mass of a large sample of steel reinforcement rods produced the following table 6.495- 6.515- 6.535- 6.555- 6.575- 6.595- 6.615- 6.635- 6.655- 6.675- 6.695- Class (kg) 6.515 6.535 6.555 6.575 6.595 6.615 6.635 6.655 6.675 6.695 6.715 Frequency 18 26 30 33 26 22 19 9 2 a) Calculate the mean to three decimal places kg b) Calculate the standard deviation. Round your answer to 3 decimal places. 1. 6.
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