4. [20 points total 5 points each] Imagine a survey completed by a random sample of 1682 Albertans provided the information in each of the statements below. For each statements identify the relevant sample statistic and construct a 95% confidence interval for the corresponding population parameter using the information provided. The first confidence interval requires a careful interpretation. The remaining confidence intervals do not require a reported interpretation. Round your final answers to four places behind the decimal. You may report your confidence intervals using , or as two numbers. a) (5 points) The average occupational prestige score was 49.16 with standard deviation 13.52. Statistic