help please

6:20 f A random sample of n, = 16 communities in western Kansas gave the following information for people under 25 years of age. x1: Rate of hay fever per 1000 population for people under 25 97 91 122 129 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. *2: Rate of hay fever per 1000 population for people over 50 93 109 100 98 110 88 110 79 115 100 89 114 85 USE SALT (i) Use a calculator to calculate x,, S,, X2, and $2- (Round your answers to four decimal places.) *1 = $1 = X2 (ii) Assume that the hay fever rate in each age group has an approximately normal distribution. Do the data indicate that the age group over 50 has a lower rate of hay fever? Use o = 0.05. (a) What is the level of significance? State the null and alternate hypotheses. OHOM , 212:H ,: 1 1 = H2 O HOM , = 1 2iH, : H ,

0.250 O 0.125