Statistics
___________ data are collected for the first time.
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The mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient of variation ?
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Non-random variable is also called:
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_________ statistics deals with collection, presentation and analysis of data?
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According to the empirical rule, approximately what percent of the data should lie within μ±σ?
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Statistics tests the law of ____________?
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If the standard deviation of a population is 9, the population variance is_____________?
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In a distribution of 10, 20, 30, 40, 50, the x is 30, the sum of deviations from x will be:________?
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Which of the following is not a measure of central tendency ?
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