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One Variable Statistics

Students were asked how many family members live in their house. The table shows the data.

Family members	Frequency
$2$	$1$
$3$	$8$
$4$	$6$
$5$	$3$
$6$	$2$
$7$	$4$
$8$	$1$

Entering Data

Open a Lists & Spreadsheet page.
Enter the "Family members" in column A. Enter their frequencies in column B.

Calculating Statistics

To calculate statistics from the data,

press menu > "4 Statistics" > "1 Stat Calculations" > "1 One-Variable Statistics..."
set "Num of Lists:" to "1" and press enter
set the following and select "OK"

Use the direction buttons to find the:

mean $\quad \bar x=$
number of data values $\quad n=$
minimum $\quad MinX=$
lower quartile $\quad Q_1X=$
median $\quad MedianX=$
upper quartile $\quad Q_3X=$
maximum $\quad MaxX=$
standard deviation to 3 significant figures $\quad \sigma x=$