Victor Technology V12 Manual Do Utilizador

ENTRIES DISPLAY 

48 ENTER  

48.00 
Displays the first y value.  

85  ∑+  

1.00 
Displays which entry has just been entered … 
the first data pair. 

51 ENTER  

51.00 
Displays the second y value.  

76  ∑+  

2.00 
Displays which entry has just been entered … 
the second data pair. 

… etc. 

… etc. until all 10 data pairs have been entered. 

 r    s

.

  

10.77 
Displays the standard deviation for the x values 
(Weight). 

 x↔y  

4.70 
Displays the standard deviation for the y values 
(Height). 

 r    x

.

  

61.80 
Displays the mean for the x values (Weight).  

 x↔y  

42.60 
Displays the mean for the y values (Height). 

 
Note:

  The above example provides the best estimates of the standard 

deviation assuming the data provided is a sample of the population and not the 
entire population. 

 

 
Linear Estimates for x and y 
When two-variable statistical information is stored in the statistical registers, an 
estimated y value can be calculated using a new x value or an estimated x 
value can be calculated using a new y value. 
 
To estimate y: 

¾

  Enter the new x value 

¾

 Touch 

 

r 

 y, r  

 

To estimate x: