9 statistics calculation – Metrohm 719 S Titrino User Manual

Page 45

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2.9 Statistics calculation

719 S Titrino

41

2.9 Statistics calculation

Mean values, absolute and relative standard deviations are calculated.




The <DEF> key is used to allocate results for statistics

calculation.

The entries are specific to the method and are stored in

the method memory.

mean:
Assigns values for statistics calculations.

The display texts of the Titrino are shown to the left.

The values are the default values.

>mean

MN1=RS1

MN2=

:

MN9=

Allocations for statistics calculations

Number n of single values for statistics calculation.

(1...9)

You can perform statistics calculation using up to 9

results (RSX), endpoints (EPX) or variables (CXX). For

MN1, the default value RS1 is entered.

Delete allocation with <CLEAR> + <ENTER>

Each mode has an inquiry group ">statistics" in key

<PARAM>

>statistics

status: OFF




mean n= 2

res.tab: original






delete n= 1

Statistics calculation

Status of statistics calculation (OFF, ON)

If the statistics calculation is switched off, the following

inquiries regarding the statistics do not appear.

Mean value calculation from n single results (2...20)

Result table (original, delete n, delete all)

"original":

The original table is used. Deleted

individual results are again incorporated in

the evaluation.

"delete n": Deletion of single results with the index n.

"delete all": The entire table is deleted.

Delete data from sample number n (1...20)

The deleted result is removed from the statistics

calculation. )

DEF

(

2

PARAM

def

>mean

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