You collect data on self-esteem from a group of 100 students by having them complete the Rosenberg Self-Esteem scale. Higher scores indicate higher levels of self-esteem. You are interested in estimating the average level of self-esteem among students. What is your best point estimate of the population mean? (1 mark)

present as a summary in a short paragraph. (10 marks) If you wanted to provide a more precise estimate of the population mean, what would you do? (4 marks)

data: 12 31 35 10 49 36 32 30 39 29 46 37 22 32 24 33 26 24 29 25 24 17 21 33 34 23 33 21 38 42 33 32 31 41 35 15 37 29 22 30 9 18 28 46 42 43 27 30 34 28 33 32 26 42 41 11 45 40 39 41 37 15 25 29 21 36 28 45 28 38 32 45 35 26 33 48 32 36 20 31 22 39 27 31 23 30 35 36 32 47 26 34 46 37 30 39 35 18 32 36