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218 Statistics 1Var app
you want to sort by income, then you make C2 the
independent column and C1 the dependent column.
4. Specify any frequency data column.
5. Tap .
The independent column is sorted as specified and
any other columns are sorted to match the
independent column. To sort just one column, choose
None for the Dependent and Frequency columns.
Computed statistics
Tapping
displays the following results for each
dataset selected in Symbolic view.
When the data set contains an odd number of values, the
median value is not used when calculating Q1 and Q3. For
example, for the data set {3,5,7,8,15,16,17}only
the first three items—3, 5, and 7—are used to calculate
Q1, and only the last three terms—15, 16, and 17—are
used to calculate Q3.
Statistic Definition
n Number of data points
Min Minimum value
Q1 First quartile: median of values to
left of median
Med Median value
Q3 Third quartile: median of values to
right of median
Max Maximum value
Sum of data values (with their
frequencies)
Sum of the squares of the data
values
Mean
Sample standard deviation
Population standard deviation
serrX Standard error
X
X
2
x
sX
X