45.docx
This document was uploaded by user and they confirmed that they have the permission to share it. If you are author or own the copyright of this book, please report to us by using this DMCA report form. Report DMCA
Overview
Download & View 45.docx as PDF for free.
More details
- Words: 71
- Pages: 2
45.Calculate Karl Pearsonβs coefficient of correlation from the following data:
(1) Sum of deviation of X=5 (2) Sum of deviation of Y=4 (3) Sum of squares of deviations of X=40 (4) Sum of squares of deviation of Y=50 (5) Sum of products of deviation of X and Y=32 (6) No. Of pairs of observations =10
ANSWER: r=
βππ₯βππ¦ ββππ₯2ββππ¦2
r= r= r=
32 β40β50 32 β2000 32 β44β7213595
r=0 β 7155
(1) Sum of deviation of X=5 (2) Sum of deviation of Y=4 (3) Sum of squares of deviations of X=40 (4) Sum of squares of deviation of Y=50 (5) Sum of products of deviation of X and Y=32 (6) No. Of pairs of observations =10
ANSWER: r=
βππ₯βππ¦ ββππ₯2ββππ¦2
r= r= r=
32 β40β50 32 β2000 32 β44β7213595
r=0 β 7155
More Documents from "Nithin Kunchoor"
Suggestion.docx
May 2020 6
Develop And Maintain Retail Image.docx
June 2020 14
45.docx
May 2020 8
Qm Nithin.docx
May 2020 14
Em 2.docx
May 2020 15