Parts a), b) and c) are unrelated. All are compulsory. a) A manufacturing company has many employees including, accounting staff, designers, sales representatives, and assembly workers. The assembly workers, who earn the lowest wage in the company, constitute 35% of the company's workforce. The owner has decided to only give the assembly workers a promotion by increasing each of the assembly workers annual salaries by $1500. Would the median annual salary for all employees of this company increase, decrease or be unchanged? Briefly explain, in the context of this question. b) A random variable X takes the values -60, -30, 0, 30 and 60 but we do not know the probability distribution. A student stated that the expected value could be -10. Do you agree or disagree with this statement? Briefly explain, in the context of this question. c) A dog grooming service wanted to get a visualisation of the size of dog breeds that they groomed over the past month. The owner went through the records and used the data to create the following. Size of Dog Breed 500 Frequency 0 Extra large Large Medium Small Size The owner described this as negatively skewed. Do you agree or disagree? Briefly explain, in the context of this