Because the hardness is not dependent to the size of a material sample.
Flammability is an intensive property because is not dependent on the size of the sample.
Mass and volume are extensive properties, which are dependent upon the size of the sample. A larger sample will have a greater mass and volume than a smaller sample. Density is an intensive property, which does not depend on the size of the sample. Density is a ratio of mass to volume, which does not vary with the size of the sample. The density of a larger sample will be the same as the density of a smaller sample.
It is the number of elements in the sample. By contrast, the relative sample size is the absolute sample size divided by the population size.
Density is an intensive property - not dependent on the mass.
a sample is a sample sized piece given... a sample size is the amount given in one sample
sample size is the specific size of a thing like the how long or wide. while sample unit is the whole thing not referring to specific number size.
Sample size is the number of samples arawn from a population. If you drew 20 samples, your sample size would be 20.
Factors that determine sample size
a larger the sample size will reduce the size of the confidence interval
They should be smaller for the sample size 80.