becaused it is exact
disadvantages of index numbers
How to calculate machine price index?
merits and demerits of index number
Dense Index: An index record appears for every search key value in file. This record contains search key value and a pointer to the actual record. Sparse Index: Index records are created only for some of the records. To locate a record, we find the index record with the largest search key value less than or equal to the search key value we are looking for. We start at that record pointed to by the index record, and proceed along the pointers in the file (that is, sequentially) until we find the desired record. - - (ref: http://sawaal.ibibo.com/computers-and-technology/difference-between-sparce-index-dence-index-773764.html)
No
Heterogeneity is described as being diverse in nature, or containing of different particles. Homogeneity is described as being a whole, or a substance containing all alike particles. Heterogeneity and homogeneity can be described as opposites.
a. Heterogeneity
soil variation
A mixture that is not completely mixed.
I don t know
Homogeneity means that the statistical properties of the variable which is being studied remain the same across the population. Heterogeneity means that they do not: it could be that the mean changes between different subsets of the population or the variance does.
Geoffrey Lacey has written: 'Platelet subpopulation heterogeneity'
intangibility inseparable heterogeneity perishability fiduciary responsibility
mixing of the gene pool and thus encourages homogeneity and prevents heterogeneity
Mel G. Catre has written: 'Platelet heterogeneity'
Diana Van Lancker has written: 'Heterogeneity in language and speech'