Answer........

An Indiana high school (Harrison High) implemented a new mathematics instruction method to teach algebra. At the end of the year, 54 students from this school scored an average of a 1510 on the Indiana State Standardized Algebra Exam (ISSAE). In the last 5 years, this school has averaged a score of 1450 on the ISSAE with a standard deviation of 25 points. Has this new instruction method affected students scores in algebra? Test at the 0.05 level of significance using the p-value method. A. State the null and the alternative hypotheses. B. Select the appropriate Inference procedure and verify conditions for using it. Calculate the value of the test statistic. C. Calculate the p-value. D. State the test decision and conclusion