Answer Happy

Hurley Consulting has been hired to determine if there is a statistically significant difference between women and men and their consumption of soft drinks. A study is conducted over the course of a year on both males and females and the results are as follows: Men on average consumer 40 bottles of soft drinks per month with a standard deviation of 5 bottles. 1,000 men were sampled in this study. Women on average consumer 50 bottles of soft drinks per month with a standard deviation of 8 bottles. 750 women were sampled in this study. Calculate the z-score for the significance of the difference between two means for this study. O A. +/- 1.96 OB. +/- 2.35 O C. +/- 5.69 OD. +/- 15.21 O E. +/- 30.11