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 99 91 121 126 93 123 112 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. x,: Rate of hay fever per 1000 population for people over 50 93 109 99 96 111 88 110 79 115 100 89 114 85 96 n USE SALT (1) Use a calculator to calculate x,, s,, x2, and s,. (Round your answers to four decimal places.) S, = 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 lower rate of ha a = 0.05. (a) What is the level of significance?

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 99 91 121 126 93 123 112 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. x,: Rate of hay fever per 1000 population for people over 50 93 109 99 96 111 88 110 79 115 100 89 114 85 96 n USE SALT (1) Use a calculator to calculate x,, s,, x2, and s,. (Round your answers to four decimal places.) S, = 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 lower rate of ha a = 0.05. (a) What is the level of significance?

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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