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2. Measures of dispersion are appropriate for whi...

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2. Measures of dispersion are appropriate for which types of variables? A) Discrete B) Nominal C) Ratio D) Ordinal 4. When we have data that are measured at the interval/ratio level of measurement, there are: A) less measures of dispersion to employ. B) none of the choice given. C) issues with the mean deviation. D) more measures of dispersion to employ. 11. With respect to standard deviation, which of the following statements IS CORRECT? A) Standard deviation is always a negative number. B) Standard deviation is based on the squared deviations from the mean. C) All of the choices are correct. D) Standard deviation is the square of the variance. 13. High dispersion (i.e. great dispersion) of a varibale could result in: A) the values of the mean and median being quite different. B) a small variance. C) a small range. D) a small standard deviation. 14. In calculating the UCR rape rates within New York City, which of the following would appear to be the best data for the denominator? A) females over the age of 21 living in New York City. B) all people living in New York City C) all males living in New York City since nearly all reported rapes are committed by males D) females living in New York City

 

Paper#13451 | Written in 18-Jul-2015

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