Region of quipped random samples of 56 Mel and 56 female students from a large university with a small device that secretly record sound for a random 30 seconds during each 12.5 minute period over two days then they counted the number of words spoken by each subject during each recording. From this estimate how long many words per day each student speaks the female estimates had a mean of 16,177 words per day with a standard deviation of 7520 words per day. For the mail estimate the mean was 16,569 and Santa deviation was 9108 do these data provide convincing evidence at 0.05 significance level of a difference in the average number of words spoken in a day but all males and female student at this university
