[12C] Percent of Total and Accumulating Statistic
05-09-2018, 03:19 AM (This post was last modified: 06-26-2018 08:13 AM by Gamo.)
Post: #1
 Gamo Senior Member Posts: 713 Joined: Dec 2016
[12C] Percent of Total and Accumulating Statistic
HP-12C Owner's Handbook gave example on how to use Percent of Total [%T]
I would like to extend it capability by using Accumulating Statistic [Σ+] so that by accumulating [Σ+] instead of Enter Add as show in the handbook and lost the Total Amount.
By using the [Σ+] you retain the total by Recall Register 2 at any time and with this build-in statistic function this can also compute for the Average.

Example: f [Σ] // Clear Statistic Registers
1. 1234
2. 2345
3. 3456
4. 4321

1234 [Σ+] --> 1
2345 [Σ+] --> 2
3456 [Σ+] --> 3
4321 [Σ+] --> 4

[RCL] 2 --> 11356 // Total

1234 [%T] --> 10.87
[CLx] 2345 [%T] --> 20.65 // If forget to press [CLx] don't worry just Recall [RCL] 2
[CLx] 3456 [%T] --> 30.43 // and try again.
[CLx] 4321 [%T] --> 38.05

g [X-bar] --> 2839 // Mean
g [S] --> 1341.28 // Standard Deviation
[RCL] 1 --> 4 [√x] --> 2 [÷] --> 670.64 // Standard Error of the Mean

Gamo
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