In trying to understand the impacts of caffeine on consumer spending, researchers in France ran the following experiment: 145 people walking into a home goods store were offered a welcome beverage: an espresso (caffeinated) or an option of a non-caffeinated drink. 58 shoppers chose the espresso while 87 went for the non-caffeinated alternative. On average the caffeinated shoppers spent$18 with a standard deviation of$29, while the non- caffeinated folks spent on average$9 with a standard deviation of$16.

Which statement is correct?

Group of answer choices

Based on this experiment, with 95% confidence, we cannot conclude that caffeine affects consumer spending.

Based on the 99% confidence interval for the difference in averages, we can conclude that caffeine has a positive effect on consumer spending.

Based on the 95% confidence interval for the difference in averages, we can conclude that caffeine has a positive effect on consumer spending.