(a). Show that the weighted arithmetic mean of firstn natural numbers whose weights are equal to the corresponding numbers is equal to (2n + 1)/3. (b) Also obtain simple arithmetic mean.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.2: Arithmetic Sequences
Problem 68E
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Statistics:
Problem Of ATLP:
(a). Show that the weighted arithmetic
mean of first n natural numbers whose
weights are equal to the corresponding
numbers is equal to (2n + 1)/3.
(b) Also obtain simple arithmetic mean.
Transcribed Image Text:Statistics: Problem Of ATLP: (a). Show that the weighted arithmetic mean of first n natural numbers whose weights are equal to the corresponding numbers is equal to (2n + 1)/3. (b) Also obtain simple arithmetic mean.
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