A recent study at a college showed the mean textbook price to be $95. A random sample of 50 books from the bookstore has a mean cost and standard deviation s = $8.75. Does this indicate that the mean cost of textbooks is less than $95? Which would be the proper test hypothesis for this problem?

Answer rating: 100% (QA)

1 Claim T he mean cost of textbooks is less than 95 The hypotheses ar... View the full answer