Answered: A study has been made to compare the…

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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Transcribed Image Text:QUESTION 5 A study has been made to compare the average amount of sugar contents for two brands of energy drinks. Ten energy drinks of brands P and eight energy drink of brand Q were sampled and the amount of sugar content was recorded for this study. The following are the SPSS output for the analysis of sugar contents. Group Statistics Brand of Energy Drink N Mean Sid. Deviaton Std. Error Mean Sugar Content Energy Drink P 10 10.80 4.185 1.323 Energy Drink O 11.00 1.069 378 Independent Samples Test Sugar Content Equal variances Equal varances assumed not assumed Levene's Test for Equality of F Variances Hest for Equality of Means t 2.176 Sg. 160 131 145 di 16 10.439 Sg. (2-taled) 807 887 Mean Difference 200 200 Sid. Error Diference 1.526 1.376 95% Confidence Interval of Lower 3.435 -3.249 the Difference Upper 3.035 2.849 a) Determine whether the variances of the amount of sugar for the two brands are equal. Use a-0.05. b) Assume the sugar content is normally distributed. If it is claimed that energy drink P has less amount of sugar than energy drink Q, conduct a hypothesis testing to test this claim. Use a a0.05.

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