X: independent variable and Y: dependent variable. Observations for X and Y variables are given belo 718050 XY -11 00 071 2 -2 1-1 171805071 507 ns071 n507 1718050 s071 1710 171507 17180s071 s07 171805071 1716507 170 171805071

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
Section: Chapter Questions
Problem 1PE
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0507
1. X: independent variable and Y: dependent variable. Observations for X and
-11
-2 2
171650
1 -1
71507
507
What is the covariance between X and Y variables?
s071
171805071
n5071
17150
s071
171805071
ns071
Y variables are given belov
n5071
171650
5071
17180507
17150
1711507
1716507
171805071
171805071
171s071
171805071
175071
171150
5071
0507 0 so
1716507
05071
171805071
171805071
171805071
1716507
17180507
1650
17180507
1718
171650
171e5071
1718050
171s071
17180502
Transcribed Image Text:0507 1. X: independent variable and Y: dependent variable. Observations for X and -11 -2 2 171650 1 -1 71507 507 What is the covariance between X and Y variables? s071 171805071 n5071 17150 s071 171805071 ns071 Y variables are given belov n5071 171650 5071 17180507 17150 1711507 1716507 171805071 171805071 171s071 171805071 175071 171150 5071 0507 0 so 1716507 05071 171805071 171805071 171805071 1716507 17180507 1650 17180507 1718 171650 171e5071 1718050 171s071 17180502
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