Use a calculator to calculate x1, s1, and s2. (Round your answers to four decimal places.) x1 = s1 = = s2 = What is the value of the sample test statistic? (Test the difference ?1 − ?2. Round your answer to three decimal places.)=_
Use a calculator to calculate x1, s1, and s2. (Round your answers to four decimal places.) x1 = s1 = = s2 = What is the value of the sample test statistic? (Test the difference ?1 − ?2. Round your answer to three decimal places.)=_
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
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
| 99 | 92 | 119 | 129 | 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
| 93 | 108 | 100 | 95 | 111 | 88 | 110 |
| 79 | 115 | 100 | 89 | 114 | 85 |
96 |
(i) Use a calculator to calculate x1, s1, and s2. (Round your answers to four decimal places.)
| x1 | = |
| s1 | = |
| = | |
| s2 | = |
What is the value of the sample test statistic? (Test the difference ?1 − ?2. Round your answer to three decimal places.)=_
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