A random sample of n1 = 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 91 122 130 94 123 112 93 125 95 125 117 97 122 127 88 A random sample of n2 = 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 94 111 100 95 110 88 110 79 115 100 89 114 85 96   (i) Use a calculator to calculate x1, s1, x2, and s2. (Round your answers to four decimal places.) x1 =  s1 =  x2 =  s2 =

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A random sample of n1 = 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 91 122 130 94 123 112 93
125 95 125 117 97 122 127 88

A random sample of n2 = 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
94 111 100 95 110 88 110
79 115 100 89 114 85 96
 
(i) Use a calculator to calculate x1s1, x2, and s2. (Round your answers to four decimal places.)
x1
s1
x2
s2
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