need help with the two following questions

The following data are from a simple random sample. 57118107 (a) What is the point estimate of the population mean? : (b) What is the point estimate of the population standard deviation? (Round your answer to one decimal place.) : According to a certain website, wine critics generally use a wine-scoring scale to communicate their opinions on the relative quality of wines. Wine scores range from 0 to 100, with a score of 95100 indicating a great wine, 9094 indicating an outstanding wine, 8589 indicating a very good wine, 8084 indicating a good wine, 7579 indicating a mediocre wine, and below 75 indicating that the wine is not recommended. Random ratings of a pinot noir recently produced by a newly established vineyard in 2018 follow: 62 77 82 79'85'96 (a) Develop a point estimate of mean wine score for this pinot noir. (b) Develop a point estimate of the standard deviation for wine scores received by this pinot noir. (Round your answer to four decimal places.)