Frank can purchase bags of apples in four sizes. Which size is the best buy? * 25 points
2-lb bag for $3.33
3-lb bag for $4.70
4-lb bag for $5.14
5-lb bag for $6.20
Other:

Summary statistics given for independent simple random samples from two populations. use the pooled t-interval procedure to obtain specified confidence interval. x1=71.6, s1=3.9, n1=11, x2=67.9, s2=3.4, n2=9 determine a 99% confidence level.