Learning Objectives:

__Math Tutoring on Using Graphing Calculator__

*In Math Tutoring, Graphing Calculator* has a wide utility in

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*Steps to find the First Quartile, Q _{1}:*

1. Begin by ordering the data from smallest to largest.

2. Compute the locator: **.**

3. If is a decimal value:

· Round up to **.**

· Use the data value in the position.

4. If is a whole number:

· Find the mean of the data values in the and positions.

*Steps to find Third Quartile, Q _{3}:*

· Use the same procedure for Q_{1}, but with the locator: **.**

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**Hook Questions:**

*1. **What are the utilities of Graphing Calculator in the field of Statistics?*

*2. **How to find First and Third Quartile using Graphing Calculator?*

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