Qnt275 statistics questions | Management homework help


QNT 275


Please answer the following questions using your own words and using the only the attached chapters for reference and in text citations. Answers must be 200 words.


Introductory Statistics Reference


Mann, P. S. (2016). Introductory Statistics (9th ed.). Retrieved from The University of Phoenix eBook Collection database.


Chapter 1

1. Describe the two meanings of the word statistics. Explain the types of statistics.


2. Explain the meaning of an element, a variable, an observation, and a data set.



Chapter 2



3. Why do we need to group data in the form of a frequency table? Explain. How are the relative frequencies and percentages of categories obtained from the frequencies of categories? Illustrate with the help of an example.




Chapter 3



4. Explain how the value of the median is determined for a data set that contains an odd number of observations and for a data set that contains an even number of observations. Briefly explain the meaning of an outlier. Is the mean or the median a better measure of center for a data set that contains outliers? Illustrate with the help of an example.


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