In a study conducted by the Department of Environmental Sciences at Virginia Tech, the steel rods supplied by two different companies were compared. Ten sample springs were made out of the steel rods supplied by each company and a measure of flexibility was recorded for each. The data are as follows: Company-A: 6.1 8.2 7.1 7.5 8.1 6.0 8.0 6.5 7.2 7.0 Company-B: 12 9.5 9.9 10.2 10.2 9.7 11.0 11.1 10.2 9.6 a. Calculate the standard deviation for the data of the two companies. b. Which company is better? In a study conducted by the Department of Environmental Sciences at Virginia Tech, the steel rodssupplied by two different companies were compared. Ten sample springs were made out of thesteel rods supplied by each company and a measure of flexibility was recorded for each. The dataare as follows:Company-A:Company-B:6.18.27.17.58.16.08.06.57.27.0129.59.910.210.29.711.011.110.29.6Calculate the standard deviation for the data of the two companies.Which company is better?a.b.

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Description: In a study conducted by the Department of Environmental Sciences at Virginia Tech, the steel rods supplied by two different companies were compared. Ten sample springs were made out of the steel rods supplied by each company and a measure of flexibil

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Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 30PPS

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In a study conducted by the Department of Environmental Sciences at Virginia Tech, the steel rods supplied by two different companies were compared. Ten sample springs were made out of the steel rods supplied by each company and a measure of flexibility was recorded for each. The data are as follows: Company-A: 6.1 8.2 7.1 7.5 8.1 6.0 8.0 6.5 7.2 7.0 Company-B: 12 9.5 9.9 10.2 10.2 9.7 11.0 11.1 10.2 9.6 a. Calculate the standard deviation for the data of the two companies. b. Which company is better?

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