Graphs are diagrams representing numerical relationships in visual terms. The term âgraphâ is usually reserved for a diagram showing the relationship of two variable quantities, each measured along one of a pair of lines called axes.
The use of graphs is very common in everyday lifeâin fact it's everywhereâand similar ones are seen daily in newspapers and magazines. Graphs are used to show trends in such matters as inflation, voting patterns, sales, share values, fuel consumption, and population movementâeven the relative positions of golfers over the 18 holes of a match, among others.
The media sector includes the Internet, phone, television, radio and the mass media. For now we will be concentrating on the telecommunications sector. For example, the price of talking x minutes of a mobile phone based on various plans by the same operator and the views of the general public or specific groups of people about certain important financial matters and the most cost-efficient.
The media industry employs many uses of graphs, like the stock market. You can even predict the stock market! Also, graphs have long been used in the financial sector to reflect changes over time, cost-effectiveness and opinions, amongst other things. Examples of these can be found in graphs of consumer price indexes, mortgage rates, inflation, stock market movements and forecasts, the price of talking x minutes of a
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Above is a graph depicting the cost of mobile phone usage with a number of assumptions as stated in the title, thus helping a potential mobile subscriber choose the most appropriate plan for his personal usage. As can be seen, even though the base price of the Singtel iOne Plus plan is the lowest (after factoring in the cost of short messages sent), the price starts increasing much earlier than that of the Singtel Classic and Singtel iTwo Value plans as the free minutes have elapsed, thus making it the second-most expensive plan for prolonged use. Meanwhile, even though the base price of the Singtel iTwo Value plan is the highest, it is effectively the cheapest plan for prolonged use as the value of the free minutes far exceeds that for the other plans. However, the Singtel iOne Value and Singtel Classic plans are both expensive as the former does not come with free SMSes and the latter does not have free incoming calls, i.e. Calls from both parties are charged.
The following are the formulae to achieving the price for x minutes of calls on the four different plans:
It is not easy to visualize how the amount of money paid changes for different amounts of usage from plan to plan, but with graphs, we can get a clearer picture of things, thus its effectiveness and common usage.
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Above is a graph depicting the cost of mobile phone usage with a number of assumptions as stated in the title, thus helping a potential mobile subscriber choose the most appropriate plan for his personal usage. As can be seen, even though the base price of the Singtel iOne Plus plan is the lowest (after factoring in the cost of short messages sent), the price starts increasing much earlier than that of the Singtel Classic and Singtel iTwo Value plans as the free minutes have elapsed, thus making it the second-most expensive plan for prolonged use. Meanwhile, even though the base price of the Singtel iTwo Value plan is the highest, it is effectively the cheapest plan for prolonged use as the value of the free minutes far exceeds that for the other plans. However, the Singtel iOne Value and Singtel Classic plans are both expensive as the former does not come with free SMSes and the latter does not have free incoming calls, i.e. Calls from both parties are charged.
The following are the formulae to achieving the price for x minutes of calls on the four different plans:
It is not easy to visualize how the amount of money paid changes for different amounts of usage from plan to plan, but with graphs, we can get a clearer picture of things, thus its effectiveness and common usage.