What is the standard deviation and Variance

HW Score: 11.11%, 1 of 9 points Part 2 of 4 O Points: 0 of 1 Save Listed below are foot lengths in inches for 11 randomly selected people taken in 1988. Find the range, variance, and standard deviation for the given sample data. Include appropriate units in the results. Are the statistics representative of the current population of all people? 9.5 9.4 10.4 8.7 9.5 9.2 9.3 9.1 10.3 10.1 93 The range of the sample data is 1.7 inches. (Type an integer or a decimal. Do not round.) The standard deviation of the sample data is (Round to two decimal places as needed.)