Question 1 3 pts In a study. 240 students and their writing scores are collected (The range of writing score is from o to 100). We also found that the average score of this sample is 76 and median is 67. Which of the following statement is correct? A student who achieved 89 on writing score has a t-score small than No student in this sample has a z-score larger than zero The standard deviation and the median se positively related From this sample we can inter that only a small proportion of students who achieved high grades, while a farge proportion of students who achieved grades less than 76