3 Σ cxitz= i=2 N Σ (2x1) = i=1 Ẽ

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.2: Exponents And Radicals
Problem 31E
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given these scores.

X1 = 3,             X2 = 4,             X3 = 7,             X4 = 12,

ate
3
Σ (xitz=
i=2
N
Σ (zi) =
1=1
W
+
of
Transcribed Image Text:ate 3 Σ (xitz= i=2 N Σ (zi) = 1=1 W + of
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