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.

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

Σ X

Sum of data values (with their

 

frequencies)

Σ X2

Sum of the squares of the data

 

values

x

Mean

sX

Sample standard deviation

σX

Population standard deviation

serrX

Standard error

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.

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Statistics 1Var app

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HP Prime Graphing NW280AAABA manual Computed statistics