Model a set of data
There are different ways to model a set of data. In this task we will see how to create a model with the tools that GeoGebra has.
Remember that in the internal assessment you will have to perform algebraically most of this processes.
Comenzamos trabajado...
In the applet below you will find attached the US. Dollar/Uruguayan peso Exchange rate for some months.
Select columns B and C and then right click > create > list of points. the coordinates will appear.
What type of function can model this data?
Select columns B and C again and with the tool Find the model that you think will fit the most.
Write your model in the input bar and check if it really fits your model.
Predic the exchange rate for Dicember 2016.
State some limitation that you see of the model.
Now look for a model using the sine function ( ) Use the coordinates that GeoGebra provides but do it yourself. Do not use any GeoGebra has to analyze the data, Input your model in the input bar.
In July 2016 the exchange rate is increasing or decreasing?