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?
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 ?
Plz explain all