CAT & OMETs JEE JEE Foundation IPMAT GMAT Adda Success Stories

91- 6303239042 ☄️Upto 70% off

Question 146

A computer, while calculating the correlation coefficient between two variables X and Y, obtained the following results:
$$N = 25, \sum_{}^{}x= 125, \sum_{}^{}y= 100, \sum_{}^{}x^{2}= 650, \sum_{}^{}y^{2}= 460$$ and $$\sum_{}^{}xy= 508$$
At the time of checking, it is found that it copied two pairs of observations as

in the place of correct pairs

.The correct value of the coefficient of con-elation r is

View More Questions From Quant

Create a FREE account and get:

Download Maths Shortcuts PDF
Get 300+ previous papers with solutions PDF
500+ Online Tests for Free

maruti sir image

CAT Quant Questions | CAT Quantitative Ability

CAT Time, Speed and Distance Questions CAT Linear Equations Questions CAT Geometry Questions CAT Venn Diagrams Questions CAT Number Series Questions

CAT DILR Questions | LRDI Questions For CAT

CAT Routes And Networks Questions CAT Special Charts Questions CAT Maxima-Minima Questions CAT Quant Based LR Questions CAT Truth Lie Concept Questions

CAT Verbal Ability Questions | VARC Questions For CAT

CAT Grammar and Sentence Correction Questions CAT Para Summary Questions CAT Odd One Out Questions CAT Critical Reasoning Questions CAT Verbal Ability Questions

Free CAT Topicwise Questions

CAT Profit And Loss CAT Para Jumbles CAT DI with connected data sets CAT Venn Diagrams CAT Logarithms, Surds and Indices CAT Data Sufficiency CAT Games and Tournaments CAT Averages, Ratio and Proportion CAT Puzzles CAT Coins and Weights CAT Quant Based LR CAT Arrangement CAT Inequalities CAT Progressions and Series CAT 2D & 3D LR CAT Data Interpretation Basics CAT Miscellaneous CAT Data Interpretation CAT DI Miscellaneous CAT Coordinate Geometry CAT Arithmetic CAT Reading Comprehension CAT Odd One Out CAT Time Speed Distance CAT Number Systems CAT Truth Lie Concept CAT Para Summary CAT Averages CAT Time, Speed and Distance CAT Algebra CAT Quant Based DI CAT Time And Work CAT Functions, Graphs and Statistics CAT Selection With Condition CAT Simple Interest Compound Interest CAT Table based DI Sets CAT Special Charts CAT Remainders CAT Verbal Ability CAT Miscellaneous LR CAT Data change over a period CAT Routes And Networks CAT Venn Diagrams CAT Vocabulary CAT Averages Mixtures Alligations CAT Scheduling CAT Critical Reasoning CAT Profit and Loss CAT Logarithms CAT Geometry CAT Mensuration CAT Percentages CAT Probability, Combinatorics CAT Number Series CAT Linear Equations CAT Quadratic Equations CAT Ssc Reasoning CAT Grammar and Sentence Correction CAT Charts CAT Maxima-Minima

Book Free CAT Mentorship

Get personalized CAT strategy from a 99%iler

500+ students mentored

CAT mentor

Phone Number

Preferred Time

Join CAT 2026 course by 5-Time CAT 100%iler

Start your IIM journey with the right preparation and crack CAT 2026.

Enroll Now

cracku download image

Ask our AI anything

AI can make mistakes. Please verify important information.