The mean for sat score for high schools in us was 1100, and the standard deviation is 100. one teacher is convinced that the 25 students who were in his homeroom performed better than the average student in the high school. do you think that homeroom students perform better than the other students? finish your hypothesis at 0.05 significance level.

Cameron indoor stadium at duke university is one of the most revered sites in all of college basketball, as well as in all of sports period. duke’s men’s and women’s basketball programs have attained quite a few wins in the building over the last seventy years. cameron indoor stadium is capable of seating 9,460 people. for each game, the amount of money that the duke blue devils’ athletic program brings in as revenue is a function of the number of people in attendance. if each ticket costs $45.50, find the domain and range of this function.

5. (03.02)if g(x) = x2 + 3, find g(4). (2 points)1619811

Which of the following is the major negative aspect of crossover designs for research studies? a. prohibitive cost b. residual effects c-subject drepout d. incomplete randomization e. large sample size required