Discrete random variable is a qualitative random variable that can assume an uncountable number of values.
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Q. 2In the term frequency distribution, frequency refers to the number of data values or measurements falling within each class.
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Q. 3Numerical random variables can be subdivided into two classifications: discrete random variables and continuous random variables.
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Q. 4Statistical inference is the process of making an estimate, prediction, or decision about a population based on sample data.
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Q. 5Continuous random variable is a quantitative random variable that can assume a countable number of values.
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Q. 6A local cable system using a sample of 1000 subscribers estimates that fifty percent of its subscribers watch premium channel at least five times per week. This is an example of inferential statistics as opposed to descriptive statistics.
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Q. 7A random variable is a variable that assumes a unique numerical value for each of the outcomes in the sample space of a probability experiment.
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Q. 8Twenty-five percent of a sample of 200 professional tennis players indicated that their parents did not play tennis. This is an example of descriptive statistics as opposed to inferential statistics.
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