HP 39gII - Page 87

Statistics 1Var app 77
Edit a data set In the Numeric view of the Statistics 1Var app, highlight
the data value to change. Type a new value and
pressE, or press to copy the value to the edit
line for modification. Press
E
after modifying the value
on the edit line.
Delete data • To delete a single data item, highlight it and press
C. The values below the deleted cell will scroll up
one row.
• To delete a column of data, highlight an entry in that
column and press
SCLEAR. Select the column
name and press .
• To delete all columns of data, press
SCLEAR.
Select All columns and press .
Insert data Highlight the entry following the point of insertion. Press
, then enter a number. It will write over the zero
that was inserted.
Sort data values 1. In Numeric view, highlight the column you want to
sort, and press .
2. Specify the Sort Order. You can choose either
Ascending or Descending.
3. Specify the INDEPENDENT and DEPENDENT data
columns. Sorting is by the independent column. For
instance, if Age is D1 and Income is D2 and you
want to sort by Income, then you make D2 the
independent column for the sorting and D1 the
dependent column.
– To sort just one column, choose None for the
dependent column.
– For one-variable statistics with two data columns,
specify the frequency column in the Frequency
field.
4. Press .