Dear candidates you will find MCQ questions of Information Retrival Techniques here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Explanation: names function is used to associate name with the value in the vector.
Explanation: pnorm() is tool for normal distributions.
Explanation: stem() is used to make a stemplot.
Explanation: lm calls the lower level functions lm.fit.
Explanation: qqnorm is another tool for checking normality.
Explanation: the function bwplot() makes box-and-whisker plots for numerical variables.
Explanation: ecdf() builds empirical cumulative distribution function.
Explanation: sd() is used to calculate standard deviation.
Explanation: prop.test() is used to inference for 1 proportion using normal approx.
Explanation: four techniques are generally used to prepare solid samples. they are: solids run in solution, mull technique, solid films and pressed pellet techniques.
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