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QUESTION 5 A study has been made to compare the average amount of sugar contents for two brands of energy drinks. Ten energy dn'nks of brands P and eight energy drink of brand D 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. Grou . Statistics Brand ofEne - Drink N m- Std. Error Mean Sugar Content Energy Drink P 10 10.30 4.135 1.323 Ene -; Drink 0 B 11.00 1.069 .378 Independent Samples Test Sugar II'lontent Equal variances Equal irarianoes assumed not assumed Leverie's Test for Equality of F 2.175 Variances Sig. .169 ttest for Equality of Means t -.131 .145 df 16 10.439 Sig. [24ailed} .89? .88? Mean Difference .21'Jl] .2l]t] Std. Error Ditferenoe 1.525 1.3?6 95% Condence Interval of Lower 3.435 3.249 the Difference Upper 3.035 2.349 a} Determine whether the variances of the amount of sugar for the two brands are equal. Use 0:20.05. (3 marks} b} Assume the sugar content is normally distributed. If it is claimed that energy drink P has less amount of sugar than energy dlink Q, conduct a hypothesis testing to test this claim. Use a = 0.05. (4 marks}