Monday, September 23, 2019â€¢2.3: Calculate the mean of the following six sample measurements: 10.3, 4.9, 8.9,11.7, 6.3, 7.7Youâ€™re a financial analyst for Prudential-Bache Securities. You have collected thefollowing closing stock prices ofnew stock issues:17, 16, 21, 18, 13, 16, 12,11.Describe the stock prices in terms ofcentral tendencyâ€¢2.4: Calculate the variance and standard deviation. 10.3, 4.9, 8.9, 11.7, 6.3, 7.7Youâ€™re a financial analyst for Prudential-Bache Securities. You have collected thefollowing closing stock prices of new stock issues:17, 16, 21, 18, 13, 16, 12, 11.What are thevarianceandstandard deviationof the stock prices?â€¢2.5: Previously we found the mean closing stock price of new stock issues is 15.5and the standard deviation is 3.34. Use this information to form an interval thatwill contain at least 75% of the closing stock prices of new stock issues..