Part IV. If x1 = -2 , X2 = 4 , X3 = 4, x4 = 5, X5 = 7 , X6 = - 4 , X6 = - 4 , X7 = 3 Y1 = 3, Y2 = 5, Y3 = 2 ,Y4 = 7 , Ys = 4, Y6 = 7, Y7 = 5 Determine the, %3D %D %3D %3D %3D 5 7 a.) 1=1 2, 1 3xiyi - 101 .c.) E (xP - 4) Yi |= 3 7 b.) , Σ ( Xi- Yi ) i=1 d.) .) E (2XİYİ - 18) i = 2 2

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Part IV. If X1 = -2 , X2 = 4 , X3 = 4 , X4 = 5 , X5 = 7 , X6 = - 4 , X7 = 3
5, Y3 = 2 , Y4 = 7 , Ys = 4, Y6 = 7 , Y7 = 5
Yı = 3
Y2 =
Determine the,
5
7
а.) 2 [3ху - 10]
- 4) Yi
= 1
7
b.) E ( Xi - Yi)
d.) .) E (2XİYİ - 18)
i = 2
i = 1
GOOD LUCK
Transcribed Image Text:Part IV. If X1 = -2 , X2 = 4 , X3 = 4 , X4 = 5 , X5 = 7 , X6 = - 4 , X7 = 3 5, Y3 = 2 , Y4 = 7 , Ys = 4, Y6 = 7 , Y7 = 5 Yı = 3 Y2 = Determine the, 5 7 а.) 2 [3ху - 10] - 4) Yi = 1 7 b.) E ( Xi - Yi) d.) .) E (2XİYİ - 18) i = 2 i = 1 GOOD LUCK
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