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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.
Divides a given line-segment externally in the ratio of 1:2 Construction: i )Draw BX making an actueangle at B. ii) Starting from B, mark 2 equal points on BX as shown in the f
AUXILIARY METHODS There are other reprographic methods which although commonly used earlier, are now mainly used for specific purposes. We think you should be aware of these me
Should video game companies continue to alter their products to include other functions, such as e-mail
number theory trivia
The population of a city is observed as growing exponentially according to the function P(t) = P0 e kt , where the population doubled in the first 50 years. (a) Find k to three
Lindsay purchased a pocketbook for $45 and a pair of shoes for $55. The sales tax on the items was 6%. How much sales tax did she pay? Find out the price of the two items toget
Q. Explain Set Intersection? Ans. Set Intersection Suppose your school needs to know which students are taking both art and business this year. If A is the set of studen
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a company of 10000 shares of rs 100 each declares a annual dividend of 5 %.what is the total amount dividend paid by the company
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