Consider the accompanying data on breaking load (kg/25 mm width) for various fabrics in both an unabraded condition and an abraded condition. Use the paired t test to test H0: ?D = 0 versus Ha: ?D > 0 at significance level 0.01. (Use ?D = ?U − ?A.)Fabric 12345678U 36.1 55.0 51.3 38.5 43.2 48.8 25.6 49.7 A 28.5 20.0 46.0 34.0 36.0 52.5 26.5 46.5 Calculate the test statistic and determine the P-value. (Round your test statistic to one decimal place and your P-value to three decimal places).

Excel Procedure: Enter U and A in Excel sheet>Data> Data Analysis>Select ‘t test: Paired two sample for Means’ and click on ‘OK’>Select U under ‘Variable 1 Range’>Select A under ‘Variable 2 Range’>Enter 0 under ‘Hypothesized Mean Difference’>Click on ‘OK’. Output: From the output, the test statistic value is 1.7. The two tailed p value is 0.126.

Answered: Consider the accompanying data on…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Consider the accompanying data on breaking load (kg/25 mm width) for various fabrics in both an unabraded condition and an abraded condition. Use the paired t test to test H₀: ?_D = 0 versus H_a: ?_D > 0 at significance level 0.01. (Use ?_D = ?_U − ?_A.)