1. The average score of all Calgary students on a writing test administered in Grade 6 is 200. In a class of 36 students, the average was 207.5 with a standard deviation of 18. Assume the writing test is normally distributed. a) Can you conclude that this class is significantly different from the average at= .01? b) If that class had been given special training that would lead you to predict that they would do better than average, what would change in your hypothesis testing? What would be your conclusion? c) What effect would increasing sample size have on your results?