3. MLC claims that students who avail of their services get an average score of 385 on scholastic aptitude test. The scores of random samples of 10 students were recorded as follows: 350, 440, 350, 375, 400, 450, 475, 320, 300, 375. Use the level of significance 0.01 to test whether the average of 385 is too high to claim.​