Question: A financial analyst is interested in the amount of resources spent by computer hardware and software companies on research and development (R&D). She samples 30 such firms and calculates the percentage of total revenue they spent on R&D in the previous year. The results are given below.

Summarize these data using a computer by producing:

1. the frequencies
2. the relative frequencies (if possible)
3. a histogram.
   Use the histogram to deduce the proportion of companies that spend \(9 \%\) or more on R&D.
   
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   Solution: The downloadable solution consists of 3 pages
   Deliverable: Word Document
   
   
   

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