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The following is a list of prices (in dollars) of birthday cards
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Basic Math
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1)The following is a list of prices (in dollars) of birthday cardsfound in various drug stores:
2.45
1.20
0.85
1.33
2.25
2.25
2.09
2.99
1.00
0.88
1.42
2.36
2.15
2.85
1.52
1.99
2.38
0.85
2.22
2.75
a.UsingRfind the mean, median, mode, range, variance and standard deviationof the data. Attach your output fromExcel/R.
b.UsingR,construct a frequency histogram of the data set. Use the guidelinesin the class notes. Provide all the details (interval, width, etc.)on how you constructed the histogram. Make sure that you attach thehistogram created byExcel/R.Comment on the shape of the frequency distribution (e.g., is thedistribution skewed? Is the distribution approximately mound-shapedand symmetric?) for the data set based on yourhistogram.
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3.8 Ratings (597 Votes)
I have used R for determining the results First I shall put theresults after that I shall attach the R code So lets startamean 1889median 2120mode 2215range 085 299Variance 04870standard deviation 069791b Histogram
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