Murder Rates The data represent the murder rate per  100,000  individuals in a sample of selected cities in the United States. Find the variance and standard deviation. Round your answers to at least one decimal place.

Find the mean and median of the data.  8 1/2,6 5/8,3 1/8,5 3/4,6 5/8,5 1/4,10 5/8,4 1/2

The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range, mean, variance, and standard deviation of the sample data set. 12, 19, 23, 14, 16, 16, 22, 16, 15, 19 The range is (Simplify your answer.) The mean is (Simplify your answer. Round to the nearest tenth as needed.) The variance is (Simplify your answer. Round to the nearest tenth as needed.) The standard deviation is (Simplify your answer. Round to the nearest tenth as needed.)

The numbers of regular season wins for 10 football teams in a given season are given below. Determine the​ range, mean,​ variance, and standard deviation of the population data set.   2​, 7​, 15​, 5​, 14​, 10​, 12​, 8​, 3​, 9   The range is 1313. ​(Simplify your​ answer.) The population mean is . ​(Simplify your answer. Round to the nearest tenth as​ needed.) The population variance is nothing. ​(Simplify your answer. Round to the nearest tenth as​ needed.) The population standard deviation is nothing. ​(Simplify your answer. Round to the nearest tenth as​ needed.)