please solve it in 20 mins I will thumb you up

Question 2 The result of the amplitude test for management trainees at a manufacturing company are summarised in the table below. Marks 20-29 30 - 39 40-49 50 59 60 - 69 70 - 79 80 - 89 Number of trainees 4 5 16 18 27 20 18 Question 2 a) - Calculate the median for this given data, giving your answer correct to four decimal places. * Your answer - Question 2 b) - Calculate the mode for the given data, givi correct to four decimal places. * your answer Question 2 c) - Comment about the shape of this data set. * O Left-skewed O Symmetric Right-skewed