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The next step is to determine the sources of data to be used. The researcher has to decide whether he has to collect primary data ror depend exclusively on secondary data. Sometimes the research study is based on both secondary and primary data.
When a study is to be based on secondary data whether partly or fully it is necessary to satisfy oneself that the data are quite suitable for the objectives spelt out by the study. It is also advisable to evaluate secondary data in detail to avoid possible sources of error. It is only when such secondary data are unavailable inadequate or unreliable that a researcher should decide on collecting fresh data.
Once the decision in favour of collection of primary data is taken one has to decide the mode of collection. The two methods available are observational methods and survey methods.
A coin that is balanced should come up heads half the time in the long run. A coin is tossed 4040 times and gives 2085 heads. Is the coin biased? Use Alpha = .05. (State the Hypoth
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Soddy and Rutherford, from their experimental study regarding the radioactive disintegration formulated the following laws, known as laws of radioactive disintegration. 1. Radioac
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Expertsmind.com brings you unique solution in physics An audio amplifier setup will have a power amplifier and usually a preamplifier. The preamplifier takes the wea
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the probability that you win a game is 0.3. if you play the game 20 times. what is the probability that you will win at least 8 times?
Northern Hi-Tec Electronics Limited manufactures six computer peripheral devices: internal modems , external modems , circuit boards , CD drives , hard disk drives , and memo
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