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 2599891191309412311293125951251179712212788A 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 509311199961108811079115100891148596A) What is the value of the sample test statistic? (Test the difference μ1 − μ2. Round your answer to three decimal places.)B) Find (or estimate) the P-value.a) P-value > 0.250b) 0.125 < P-value < 0.250 c) 0.050 < P-value < 0.125d) 0.025 < P-value < 0.050e) 0.005 < P-value < 0.025f) P-value < 0.005

let x¯ be the mean of first sample and x¯ = ∑xn1 = 1755/16 = 109.6…

Answered: ) What is the value of the sample test…

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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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	89	119	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

93	111	99	96	110	88	110
79	115	100	89	114	85	96

A) What is the value of the sample test statistic? (Test the difference μ₁ − μ₂. Round your answer to three decimal places.)

B) Find (or estimate) the P-value.

a) P-value > 0.250

b) 0.125 < P-value < 0.250

c) 0.050 < P-value < 0.125

d) 0.025 < P-value < 0.050

e) 0.005 < P-value < 0.025

f) P-value < 0.005

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