Ask Questions, Get Answers
Menu
X
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
5 Test Series
CBSE XII
Math
JEEMAIN
Math
Physics
Chemistry
Practice Test Series
CBSE XI
Math
NEET
Physics
Chemistry
Biology - XII
Biology - XI
Olympiad class V
Math - 5 Test Series
Olympiad class VI
Math - 5 Test Series
studyplans
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
5 Test Series
CBSE XII
Math
JEEMAIN
Math
Physics
Chemistry
Practice Test Series
CBSE XI
Math
NEET
Physics
Chemistry
Biology - XII
Biology - XI
Olympiad class V
Math - 5 Test Series
Olympiad class VI
Math - 5 Test Series
mobile
exams
ask
sample papers
tutors
pricing
sign-in
Download our FREE mobile app with 1000+ tests for CBSE, JEE MAIN, NEET
X
Search
Topics
Want to ask us a question?
Click here
Browse Questions
Student Questions
Ad
Home
>>
ISC XII Math
>>
Model Papers
0
votes
The data for marks in Physics and History obtained by ten students are given below :
Marks in Physics 15 12 8 8 7 7 7 6 5 3 Marks in History 10 25 17 11 13 17 20 13 9 15 Using this data: (i) Find the line of regression in which physics is taken as the independent variable. (ii) A candidate had scored 10 marks in Physics but was absent from the History test.Estimate his probable score for the latter test.
isc
class12
modelpaper
2008
sec-a
q7
q7-b
Share
asked
Apr 15, 2013
by
sreemathi.v
Please
log in
or
register
to add a comment.
Can you answer this question?
Do not ask me again to answer questions
Please
log in
or
register
to answer this question.
Related questions
0
votes
0
answers
The data for marks in Physics and History obtained by ten students are given below :
asked
Apr 15, 2013
by
sreemathi.v
isc
class12
modelpaper
2008
sec-a
q7
q7-a
0
votes
0
answers
There are two series of index numbers : P for price index and S for stock of a commodity.The mean and standard deviation of P are 100 and 8 and of S are 103 and 4 respectively.The correlation coefficient between the two series is 0.4,with these data,obtain the regression lines of P on S and S on P.
asked
Apr 17, 2013
by
sreemathi.v
isc
class12
modelpaper
2005
sec-a
q7
q7-b
0
votes
0
answers
Calculate Spearman's coefficient of rank correlation from the following data and interpret the result :
asked
Apr 12, 2013
by
sreemathi.v
isc
class12
modelpaper
2010
sec-a
q7
q7-b
0
votes
0
answers
The following results were obtained with respect to two variable x and y :$\sum x=30,\sum y=42,\sum xy=199,\sum x^2=184,\sum y^2=318,n=6.$
asked
Apr 10, 2013
by
sreemathi.v
isc
class12
modelpaper
2012
sec-a
q7
q7-b
0
votes
0
answers
An examination of 8 applicants for a clerical post was taken by a firm.The marks obtained by the applicants in the Reasoning and Aptitude tests are given below :
asked
Apr 12, 2013
by
sreemathi.v
isc
class12
modelpaper
2009
sec-a
q7
q7-a
0
votes
0
answers
Given two regression lines $4x+3y+7=0$ and $3x+4y+8=0$,determine :
asked
Apr 16, 2013
by
sreemathi.v
isc
class12
modelpaper
2007
sec-a
q7
q7-b
0
votes
0
answers
Compute Karl Pearson's Coefficient of correlation between sales and expenditures of a firm for six months
asked
Apr 11, 2013
by
sreemathi.v
isc
class12
modelpaper
2011
sec-a
q7
q7-b
Ask Question
SUBMIT QUESTION
►
Please Wait
Take Test
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
5 Test Series
JEEMAIN
350+ TESTS
NEET
320+ TESTS
CBSE XI MATH
50+ TESTS
CBSE XII MATH
80+ TESTS
x
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App
...