:statistics, weighted data,
arithmetic mean, geometric mean, deviation,
weighted arithmetic mean, weighted geometric mean, weighted standard deviation,
weighted deviation, weighted frequency plot,
weighted sum, weighted product,
weighted data mean, weighted data deviation, weighted data standard deviation,
weighted data sum, weighted data product

:size, 650x480
datatype, 1D weighted data
picturesize, 300x200
precision, 12

:operation, Sum
operation, Product
operation, Arithmetic Mean
operation, Geometric Mean
operation, Weighted Deviation
operation, Weighted Histogram

:<TD style="text-align:center;">Weighted data analysis<BR>
 <TEXTAREA COLS=35 ROWS=6 NAME="formula">(1,1),(2,1),(1.5,3),(1.1,2)
(2.8,3), (2.1, 1.5),
(2.5, 4), (2.7, 1.2), (2.4, 5)</TEXTAREA></TD>
  <TD style="text-align:center;" VALIGN=TOP ROWSPAN=2>
  $submit1
  $submit2
  <BR>$submit3
  <BR>$submit4
  <BR>$submit5
  <TR><TD COLSPAN=2 ALIGN=LEFT>
  $submit6
  with interval
  <INPUT TYPE="text" SIZE=4 NAME="range" MAXLENGTH="30" VALUE="0.2"></TD>
  </TR><TD COLSPAN=2 ALIGN=LEFT>
  <SMALL>Data format: <BR>
  <TT>value, weight; value, weight; ...</TT> or <BR>
  <TT>(value, weight), (value, weight), ...</TT> or <BR>
  <TT>value weight, value weight, ...</TT></SMALL>
