Find the cumulative frequency and relative cumulative frequency and construct the Ogive for each of the following cases: Days to maturity of 40 investments
Cumulative information can be portrayed using a graph called an ogive . To construct an ogive, we first make a table that displays cumulative frequencies and cumulative relative frequencies. A cumulative frequency is obtained by summing the frequencies of all classes representing values less than a specified lower class limit (or cutpoint). A cumulative relative frequency is found by dividing
the corresponding cumulative frequency by the total number of observations. From the cumulative frequency a graph called ogive can be constructed in this manner: In an ogive, a point is plotted above each lower class limit (or cutpoint) at a height equal to the cumulative relative frequency.
Then the points are connected with lines
Find the cumulative frequency and relative cumulative frequency and construct the Ogive for each of the following cases:
- Days to maturity of 40 investments
- Residential Energy Consumption Survey: Consumption and Expenditures example above
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