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Stratified sampling
In stratified sampling case the population is divided into groups in such a way that units in each group are as same as possible in a process called stratification. The groups are called strata. Simple random samples from each of the strata are collected and also combined into a simple. This technique of collecting a sample from a population is named as stratified sampling. Stratification may be by age, occupation income group and so on.
A partially loaded passenger car has a mass of 1600 kg. It has fully independent suspension in which each front spring has a stiffness of 19.0 kNm -1 and each rear spring has a s
How do i add 4+2
the graph of relation y=f(x) respect to x=2 straight line is symmetrical then which is correct; (option) a) f(x+2)=f(x_2),b)f(2+x)=f(2_x),c)f(x)=f(_x),d)f(x)=_f(_x)
help to solve the laws of indicies chapter 9c book 3 high school example19to the power3_2 what is answer
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One method of calculating the height of an object is to place a mirror on the ground and then position yourself so that the top of the object will be seen in the mirror. How high i
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