Answered: Question 1: Number of rooms/number of…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question 1: Number of rooms/number of houses for a city is = ( 1/310, 2/200 , 3/330 , 4/600, 5/450 , 6/110) what is the average room number at the city? A: 3.82 B:3.36 C:3.46 D:3.51 E:3.26 Question2: what is the reason for the coefficient of variation becoming to 2 times bigger? A: increases of variance to two times of its original value B:İncrease of variance to four times of its original value C: decrease of variance to half of its original value D: Decrease of std. derivation to half of its original value E: increase of mean to two times of its original value Question3: wich one is countable discrete variable? A: wrap yarn density B: yarn shinkage C: yarn friction coefficient D: fabric thickness E: g/m2 of a fabric Question 4: Mean= 99 , Median 77, mode= 55 are given for a distribution which is correct for the skewness of the distribution ? A: symmetrical B: positive C:none D: negative E: bimodal Plz explain all

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