Elementary statistics

You are required to find a CONTINUOUS data set consists of 30 observations or more. The data must be taken from original data sources.

a)

Provide the complete source of information for your data (eg: a URL if the data was taken from the internet, or a screen shot of the appropriate page(s) if the data was taken  from  a printed source)

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Based on your selected data.

identify the number of classes and class width

develop an appropriate  frequency table based on information in b

construct a frequency polygon

develop a histogramc)

Comments on the skewness of the distribution based on your graph in b)iv.d)

Determine the cumulative frequency  and upper boundary for each class.

Construct a cumulative frequency polygon with type “less than or equal to”.

Based on your graph in e) estimate the first quartile and third quartile .

 
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