Solve the following questions.

A student who regularly goes tenpin bowling thinks that he scores higher with one particular bowling ball than he does with his other two. For the next 15 games that he bowls, he chooses a ball at random and notes down the scores as follows: Ball Score Sum sum of squares 173, 166, 179, 183, 199 900 162,616 2 195, 206, 188, 195, 210, 221 1,215 246,771 3 169, 155, 172, 188 684 117.514 From the data obtained, calculate unbiased estimates of: (i) the overall mean, / (ii) the "treatment effect" for each ball, r; .In an investigation into the effectiveness of car seat belts, 292 accident victims were classified according to the severity of their injuries and whether they were wearing a seat belt at the time of the accident. The results were as follows: Wearing a seat belt Not wearing a seat belt Death 3 47 Severe injury 78 32 Minor injury 103 29 Determine whether the severity of injuries sustained is dependent on whether the victims are wearing a seat belt.a) Give a brief overview of the accounting process (8 marks) b) Write short notes on: i. Purchased goodwill and non-purchased goodwill (4 marks) ii. Bonus shares and rights issue ( 4 marks) ili. Interim dividends and proposed dividends. ( 4 marks)