TI-84 Calculator Data Analysis

This video tutorial demonstrates how to use the one variable stats tool on the TI-84 calculator to find the mean and median of a data set. It covers entering data, selecting the one-var stats tool, and calculating the mean and median. Instructions for both newer and older versions of the TI-84 are provided, along with a brief explanation of manual calculations.

What is the primary function of the one variable stats tool on the TI-84 calculator?

• To solve equations

• To find the mean and median

• To calculate integrals

• To graph data sets

What is the first step in entering data into the TI-84 calculator?

• Pressing the graph button

• Clearing the old data

• Selecting the one-var stats tool

• Turning off the calculator

How do you clear old data from a list on the TI-84?

• Press delete and then enter

• Press clear and then enter

• Press reset and then enter

• Press backspace and then enter

Which button do you press to access the one-var stats tool on the TI-84?

• 2nd

• Stat

• Mode

• Graph

If your data is in L2, how do you select it for calculation?

• Press 2nd and then 1

• Press 2nd and then 3

• Press 2nd and then 4

• Press 2nd and then 2

What does 'X bar' represent on the TI-84 output screen?

• The median

• The mode

• The range

• The mean

How is the median found on the TI-84 calculator?

• By pressing the graph button

• By entering the data again

• By scrolling down to 'm-e-d'

• By selecting the mode option

What should you do if the data set is not in L1 on an older TI-84?

• Restart the calculator

• Indicate the correct list location

• Clear all data

• Use the graph function

What is the first step in manually calculating the mean?

• Summing the data values

• Dividing by the number of data values

• Ordering the data

• Finding the median

How do you find the median if there is an even number of data values?

• By finding the mean of the two middle values

• By averaging all values

• By selecting the largest value

• By selecting the smallest value