Please assist with question 1 and question 2 for my business statistics assignment.

Question 1 The marks obtained in a Statistics test are shown in the table below. Marks 10 - 19 20 - 29 30 - 39 40 -49 50-59 60-69 70 - 79 80 - 89 Frequency 8 9 13 18 20 15 11 6 a. Draw a suitable cumulative frequency curve for the distribution (8 marks) b. Using the curve, determine: 1. the median (2 marks) 1i. the Quartile Deviation (5 marks) Question 2 Two judges used a scale 0 - 10 to independently rate the performances of 8 contestants at a concert. Judge 1(x) 5 6 Judge 2(y) CO 6 5 9 4 3 9 a. Calculate the correlation coefficient and interpret your answer (10 marks) b. Determine the equation of the regression line