The table below shows the salary of 300 Business graduates 5 years after graduation, where Salary is in thousands of pou
Posted: Mon May 09, 2022 12:08 pm
The table below shows the salary of 300 Business graduates 5 years after graduation, where Salary is in thousands of pounds. Salary Number of undergraduates Midpoint Freq. density O to less than 20 20 20 to less than 30 40 30 to less than 50 120 50 to less than 100 70 100 to less than 200 50 1 (a) In your answer booklet, copy and complete the table. (5 marks) (b) Draw a labelled histogram to represent the data. (6 marks) (c) Estimate the mean salary, and the standard deviation from the mean. (6 marks) (d) A graduate is selected at random. What is the probability that they earn more than 80 thousand pounds per annum? (3 marks)