A random sample of n, = 16 communities in western Kansas gave the following information for people under 25 years of age. x: Rate of hay fever per 1000 population for people under 25 100 91 119 127 94 123 112 93 125 95 125 117 97 122 127 88 A random sample of n, = 14 regions in western Kansas gave the following information for people over 50 years old. x2: Rate of hay fever per 1000 population for people over 50 94 108 100 97 113 88 110 79 115 100 89 114 85 96 In USE SALT (1) Use a calculator to calculate X1, $1, X2, and $2. (Round your answers to four decimal places.) X1 = X 2 52 (ii) Assume that the hay fever rate in each age group has