Question

A researcher collects the following information for two variables x and y: n = 20, r = 0.5, mean (x) = 15, mean (y) = 20, \sigma_x = 4 and \sigma_y = 5 Later it was found that one pair of values (x, y) has been wrongly taken as (16, 30) whereas the correct values were (26, 35). Find the correct value of r(x, y)

18 Feb 2024
Answer :
Word Count : 393
To find the correct value of the correlation coefficient \( r(x, y) \), we need to adjust for the mistake in the data, where the pair \((x, y) = (16, 30)\) was mistakenly recorded instead of the correct pair \((x, y) = (26, 35)\). ### Given Data: - \( n = 20 \) (number of pairs) - \( r = 0.5 \) (initial correlation coefficient) - \( \text{mean}(x) = 15 \) - \( \text{mean}(y) = 20 \) - ________ _________ _______ ___ _____ ________ _________.
______ ______ _______ ______ ____ ___ _________ ____.
_________ _________ _________ ________ __________ ___ ___ _____ _________.
_______ ______ ____ ____ _________.
_________ ______ ____ __________ _____ ____.
______ ___ ___ ___ ____ _______ _______ ______.
________ __________ ______ ___ ___ ____ ______ _________ ___ ____ ______.
________ _______ _____ _______ _____ ____ _______ ___ ___ ____.
__________ ______ ____ __________ __________.
_____ _________ ____ ______ _________ __________ _____.
_____ ____ _____ ___ ____ ________ ________ ___ _________ _____.
______ ________ _____ _________ ____ _____ ________.
______ ___ __________ __________ ________ _____ __________ _________.
_________ ___ _______ _____ ________ ____ ______ _________ ____ ________ _____.
____ ____ ____ ________ ______ ________ ________ _______.
____ _____ _________ ______ ____ ______ ____ ___ ______ __________.
________ ________ _________ _____ ________ ____ ______ __________ _____ _______.
__________ _________ ____ _______ _____ ________ ________ ___.
_________ ________ _____ ____ _______ _____.
__________ _________ ____ ________ __________ ____ ______ ___.
___ ______ ____ _______ __________ ____ __________ ____ _________ _______.
_____ _______ ___ ___ _____ ____ ___ ___.
___ __________ _________ ___ ______ ________ _________ ___ _____ _________ ___.
________ ______ _______ ______ ___ ________ __________ _________ ________.
______ _________ ________ __________ _________ __________ _______ ____ ____ _____.
___ ______ _________ ____ ________.
________ _______ __________ _________ ______ ________.
______ _____ ______ ____ ___ ________.
_______ ___ ___ ______ ____ _______.
___ __________ _____ ______ _______ _____ ____ __________ __________ _________.
_____ ________ ______ __________ _____ _____ _________ __________ ________ _________ ________ __________.
______ __________ __________ _________ __________ _________ __________ ___ _________ ___ ____.
________ ________ ____ ___ _________ ______.
________ ___ _________ _______ ___.
_____ ___ _________ _______ ________ ___ __________ ________ _________.
_______ __________ _________ ___ ____ _____ ______ _____ ________ _________ ________.
________ _____ ____ ________ _________ ___.
_________ _______ __________ _______ _____ ________ __________.
______ _____ ___ ___ __________.
Get Full Answer on WhatsApp
IGNOU NEWS
Assignment Submission Last Date Extended Till 30 June 2026 Click Here★★★IGNOU June 2026 TEE Date Sheet Released Click Here★★★
Top
📞
Call Support Instant phone assistance A researcher collects the following information for two variables x an
🟢
WhatsApp Chat Fast live messaging
Email Us Business enquiries & support