Question: (12) Use the following data to construct 90%, 95% and 99% confidence intervals to estimate µ. Assume that σ for the population is 7.75. Also state the value for the point estimate.

44 37 49 30 56 48 53 42 51

38 39 45 47 52 59 50 46 34

39 46 27 35 52 51 46 45 58

51 37 45 52 51 54 39 48