Maths For BCA & MCA Students
VNSGU Syllabus, Question Paper, Programs of BCA Course
CMAT.AtoZmath.com  Online test preparation for CMAT MBA & MCA(Gujarat) Exam
Welcome Guest
[
New User

Login
]
Home
College Algebra
Games
Math Fun
Need Help
Feedback
Donate us
About us
PreAlgebra
Algebra
Matrix Algebra
Plots & Geometry
Numerical Methods
Statistical Methods
Operation Research
Wording Problems
All Topics
PreAlgebra
Algebra
Matrix Algebra
Plots & Geometry
Numerical Methods
Statistical Methods
Operation Research
Wording Problems
College Algebra
Games
Math Fun
Search On AtoZmath.com
Translate this page
Powered by
Microsoft® Translator
Share with Your Friends
Facebook
Twitter
google +1
Google Bookmarks
Google Buzz
Del.icio.us
Digg
Reddit
StumbleUpon
Technorati
About AtoZmath.com
Collection of online calculators which will help you to solve mathematical problems with their step by step solution at just a mouse click.
All calculators are free!
Home
>
Statistical Methods calculators
>
Correlation Coefficient for Ungrouped data calculator
Find Correlation Coefficient
Type your data in either horizontal or verical format,
for seperator you can use '' or ',' or ';' or space or tab
for sample click random button
OR
X & Y
ClassX & Y
Rows :
Click On Generate
Solution
Help
Example
Solution
Share with Your Friends :
Find Correlation Coefficient for Ungrouped Data
1. Psychological tests of intelligence and of engineering ability were applied to 10 students. Here is a record of ungrouped date showing intelligence ratio (I.R.) and engineering ratio (E.R.). Calculate the coefficient of correlation
Student:
A
B
C
D
E
F
G
H
I
J
IR
105
104
102
101
100
99
98
96
93
92
FR
101
103
100
98
95
96
104
92
97
94
Try this problem
2. Calculate correlation coefficient for following weights (In inches) fathers X and their sons Y
X
65
66
67
67
68
69
70
72
Y
67
68
65
68
72
72
69
71
Try this problem
3. The following are the results of IT examination
Age of candidates
Candidate appeared
Successful candidate
1314
200
124
1415
300
180
1516
100
65
1617
50
34
1718
150
99
1819
400
252
1920
250
145
2021
150
81
2122
25
12
2223
75
33
Calculate the coefficient of correlation between age and successful candidates in the examination?
Try this problem
Find Correlation Coefficient for Ungrouped Data
1. Calculate Correlation Coefficient from the follwing grouped data
X
Y
0
1
1
5
2
10
3
6
4
3
x
y
x
^{2}
y
^{2}
x × y
0
1
0
1
0
1
5
1
25
5
2
10
4
100
20
3
6
9
36
18
4
3
16
9
12





10
25
30
171
55
`r = (sum xy)/(sqrt(sum x^2) * sqrt(sum y^2))`
` = 55/(sqrt(30) * sqrt(171))`
` = 55/(5.4772 * 13.0767)`
` = 0.7679`
Home
College Algebra
Games
Math Fun
Need Help
Feedback
Donate us
About us
Copyright © 2016. All rights reserved.
Ad:
Web Hosting
By
Arvixe