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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