317 Growth charts are commonly used by a childs pediatrician

3.17 Growth charts are commonly used by a child\'s pediatrician to monitor a child\'s growth. Consider the growth chart that follows. a. What are the two variables shown in the graph? b. What information does the ordered pair (3, 87) represent? c. Describe how the pediatrician might use this chart and what types of conclusions might be based on the information displayed by it.

Solution

Age as x variable and height as y variable

Child who is 3 years old is 87cm tall

Pediatrician uses this chart to check if the height of the child is as per the standard.

As age increase the height increases