Question 2 The table below shows the number of storybooks read by some students within a month: Num of Books IN w NU Num of N 6 10 Students If the mean value is 3, find y. Question 3 Below is the test score of 20 students in Lecturer A statistic class. 84 100 92 84 63 78 75 30 81 77 97 82 73 69 69 98 46 88 58 75 . Count the mean, mode, median, quartile 1, quartile 2, quartile 3 and interquartile. . Based on the interquartile (IQR), calculate the outliers score on the left side and the right side . Calculate the varians and standard deviation . If the variance for 20 students in Lecturer B statistic class is 300, determine which class has more consistent value? Lecturer A or Lecturer B