Question 28 (1 point} The president of a university claimed the mean college entrance exam score is lower than previous years. He took a sample of 20 of this year's entering students and found that their mean college entrance exam score is 1501 with a sample standard deviation of 53. The university's record indicates that the mean college entrance exam score for entering students from previous years is 1520. Test the president's claim at a 5% level of significance. Based on your final decision, what type of error might you have made? 0 Both Type I and Type H O Type | 0 Neither Type | or Type ll 0 Type