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Statistics

To access the statistical functions, select Statistics from the Mode menu, or Alt-Shift-S on the keyboard, or use

the <kbd>shift </kbd> and <kbd>Stat </kbd> buttons. In statistics mode, some 

of the function keypad buttons display statistics functions:</p>

The bottom right hand button on the calculator is Data. To input

values for analysis, enter numbers and click data after each number

is input. Repeat this process until you have entered all the data values.

To clear the statistics memory, press shift and then press SAC

(Statistics All Clear) button (the shifted version of the AC button).

Data

Data Input

To input values for analysis, enter numbers and click data after each number is input. Repeat this process until you have

entered all the data values.

SAC

Statistics All Clear

To clear the statistics memory, press the shift button, followed

by SAC (i.e. shifted AC).

nPr

Permutations

Computes the number of permutations nPr.

Example: Compute the number of ways of arranging five objects chosen

from a population of ten:

1 0 shift nPr

5 =


Result: 30240

nCr

Combinations

Computes the number of combinations nCr.

Example: Compute the number of combinations of five objects chosen

from a population of ten (without regard to the order of choosing):

1 0 shift nCr 5 =


Result: 252

max

Maximum of data values

To obtain the maximum of all the values entered

into the statistics memory, press max.

min

Minimum of data values

To obtain the minimum of all the values entered

into the statistics memory, press min.

n

Number of Data Points

To obtain the total number of values entered into statistics memory, press n .

sum

Sum of Data

To obtain the sum of all the values entered into statistics memory, press sum.

ssq

Sum of Squares of Data

To obtain the sum of the squares of all the values entered into statistics

memory, press shift then ssq.

avg Arithmetic Mean of Data (Average)

To obtain the mean (arithmetic average) of all the values entered into statistics memory, press shift then avg.

avg Geometric Mean of Data

To obtain the geometric mean

of all the values entered into statistics memory, press shift then Gm.

sdv

Data Standard Deviation

To obtain the standard deviation of all

the values entered into statistics memory, press sdv.

ssd

Data Sample Standard Deviation

To obtain the sample standard

deviation of all the values entered into statistics memory, press shift then ssd.