- Are you an impulse shopper? A survey of 500 grocery shoppers
indicated that 18% of males and 30% of females make an impulse
purchase every time they shop. Assume the survey consisted of 250
males and 250 females.
At the 0.05 level of significance, is there evidence of a
difference in proportion between males and females regarding making
impulse purchases?
- What is your null and alternative hypothesis?
- What is your conclusion? Justify your answer statistically
(confidence interval and p-value, including a full interpretation
of the p-value)