How do you calculate the first and third quartiles on a Casio fx-115 es?

Answer 1

The Casio fx-115 ES is a scientific calculator which you can use to calculate the first and third quartiles of a data set. To calculate the first and third quartiles, you first need to arrange the data set in ascending or descending order.

Once the data set is arranged, you can use the following steps to calculate the first and third quartiles:

1. Enter the data set into the calculator by pressing the Data/Matrix button.
2. Once the data set is entered, press the STAT button and then the VARS button.
3. Select the data set by pressing the number key that corresponds to the data set.
4. Access the QUARTILE option by pressing the 5 key.
5. Enter the number 1 to calculate the first quartile or enter the number 3 to calculate the third quartile. The calculator will display the first or third quartile of the data set.

These steps can be used to calculate the first and third quartiles on a Casio fx-115 ES.