In this case, the age of the participant and the number of hours each participant listens to the station per week are selected. In addition, the concept of an ordered pair may need to be developed or reviewed. Once the data is graphically displayed, students examine the scattergram, noting trends or clusters which may be useful in deciding how to advise their clients. Students then display their scattergrams and present their recommendations, based on mathematical reasoning, to the class. This lesson is connected to the persuasive writing portion of language arts.
Students can use their data, analyses, and conclusions to write their recommendation.
Note that more data points are needed to observe a definite pattern in order to make a stronger case.