Solution 11239: Computing One-Variable Statistics on the BA II PLUS™ and the BA II PLUS™ PROFESSIONAL.
How can I compute one-variable statistics on the BA II PLUS and the BA II PLUS PROFFESIONAL?
To compute one-variable statistics on the BA II PLUS or the BA
II PLUS PROFESSIONAL, follow the steps below:
For
Example: Below is a sample of prices for a particular item at 10
randomly selected stores. Find the mean and the sample standard
deviation.
$63, $66, $69, $69, $71, $72, $74, $74, $74, $76
1) Press [2nd] then the [7] key to access the DATA worksheet.
2) Once in the worksheet press [2nd] then [CE/C] to clear the worksheet.
3) Enter 63 and press [ENTER] and then press the [↓] twice.
4)
Enter 66 and press [ENTER] and then press the [↓] twice.
5) Enter
69 and press [ENTER] and then [↓] once.
6) Enter 2 and press [ENTER] for the
frequency, then [↓] once.
7) Enter 71 and press [ENTER] and then press the [↓]
twice.
8) Enter 72 and press [ENTER] and then press the [↓]
twice.
9) Enter 74 and press [ENTER] and then [↓] once.
10) Enter 3 and press [ENTER] for the frequency, then [↓] once.
11) Enter 76 and press [ENTER].
12) Press
[2nd] then [8] to access the STAT menu.
13) Press [2nd] then [Enter] repeatedly until 1-V is displayed.
14) [↓]
to view the sample size which is 10.00.
15) [↓] to view the mean
which is 70.80
16) [↓] to view the sample standard deviation which is
4.08.