Science Fiction Novels Average 280 Pages in Length $$\text { Assume } = .05$$

question 37

Essay

Science fiction novels average 280 pages in length. The average length of ten randomly chosen novels
written by I. M. Wordy was 310 pages in length with a standard deviation of 55. Are Wordy's novels
significantly longer than the average? $$\text { Assume } = .05$$