Question

Coefficient of variation is highest in which of the following materials :

Steel

 

Timber (ungraded softwood)

 

Concrete

 

Masonry​

Answer 1

timber

jaikakakzkis

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Answer 2

Answer:

timber (ungraded softwood)

Explanation:

because other three materials given in the list can prepare in industry for ex.

steel where the concret has it own value of varitey but not more than15%

and masonry work is very specific so varition factor is about 10%and i said stell is industy prepared so vartion only 2% and in timber it woul be 35%.