At a garage sale, the following items were sold.

Item Number Sold
t-shirts 25
shorts 15
dresses 4
hats 2
shoes 5
sunglasses 10

Which of the following comparisons of the items sold represent a ratio of 5:2?
sunglasses to dresses
shorts to shoes
shoes to hats
t-shirts to sunglasses
all items to t-shirts

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.