A random sample of n1 = 16 communities in certain state gave the following information for people under 25 years of age. x1: Rate of hay fever per 1000 population for people under 25 121 125 95 123 104 123 111 123 113 101 125 124 98 99 123 116 A random sample of n2 = 14 regions in certain state gave the following information for people over 50 year old. x2: Rate of hay fever per 1000 population for people over 50 83 109 84 101 104 90 108 118 76 112 81 108 80 100 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 a = 0.05, Find (or estimate) the P- value.
A random sample of n1 = 16 communities in certain state gave the following information for people under 25 years of age. x1: Rate of hay fever per 1000 population for people under 25 121 125 95 123 104 123 111 123 113 101 125 124 98 99 123 116 A random sample of n2 = 14 regions in certain state gave the following information for people over 50 year old. x2: Rate of hay fever per 1000 population for people over 50 83 109 84 101 104 90 108 118 76 112 81 108 80 100 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 a = 0.05, Find (or estimate) the P- value.
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Transcribed Image Text:A random sample of n1 = 16 communities in certain state gave the following information for people under
25 years of age.
x1: Rate of hay fever per 1000 population for people under 25
121 125 95 123 104 123 111 123 113 101 125 124 98 99 123 116
A random sample of n2 = 14 regions in certain state gave the following information for people over 50 year
old.
x2: Rate of hay fever per 1000 population for people over 50
83 109 84 101 104 90 108 118 76 112 81 108 80 100
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 a = 0.05, Find (or estimate) the P-
value.
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