Q. 15 There are (n + 1) observations in a sample. If ₁ is the mean of the first n numbers and ₂ is the mean of the last n numbers, prove that x₂ = x ₁ + 1/ ( X ₁₁1 - X₁) n
Q. 15 There are (n + 1) observations in a sample. If ₁ is the mean of the first n numbers and ₂ is the mean of the last n numbers, prove that x₂ = x ₁ + 1/ ( X ₁₁1 - X₁) n
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.2: Arithmetic Sequences
Problem 52E
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![Q. 15 There are (n + 1)
observations in a sample. If
₁ is the mean of the first n numbers and ₂ is the
mean of the last n numbers, prove that
x₂ = x ₁ + 1/ ( X ₁₁1 - X₁)
n](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffe81e8cc-0ba4-4960-9e18-ef59b5cb77ba%2F139afcf3-ba95-4962-83e2-3ad0b496b42c%2Fxj6z40d_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q. 15 There are (n + 1)
observations in a sample. If
₁ is the mean of the first n numbers and ₂ is the
mean of the last n numbers, prove that
x₂ = x ₁ + 1/ ( X ₁₁1 - X₁)
n
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