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A company executive has read with interest the finding that the average U.S. office worker receives about 60 e-mails per day. Assume that an executive, wishing to replicate this study within her own corporation, directs information technology personnel to find out the number of e-mails each of a sample of 100 office workers received yesterday, with the results as provided in the data file XR02019. Generate a frequency distribution and histogram describing this information and comment on the extent to which some workers appeared to be receiving an especially high or low number of e-mails.
Source: emailstatcenter.com, June 20, 2009.
which is preferable as a graphical display for a large quantitative data set a histogram or a stem-and-leaf diagram?
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What is the arithmetic mean number of appointments she made per hour? What is the median number of appointments per hour? Write a brief report summarizing the findings.
according to a survey of 25000 households conducted by nielson company 51 of the people watching the 2010 super bowl
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Calculate the average or the median of the average or medians of the samples and compare it with the average of the population.
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the freshness and overall quality of milk depend upon the type of packaging used. the manager of a dairy company is
explain how and why one is able to first distinguish a triploblastic embryo from a diploblastic
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