•Example: To calculate σn1, σn, o, n, Σx, and Σx2 for the

following data : 55, 54, 51, 55, 53, 53, 54, 52

Enter SD Mode F F 1

A m= (Memory Clear)

55 S54 S 51 S 55 S

53 SS 54 S 52 S

(Sample Standard Deviation σn1) A N =

(Population Standard Deviation σn) A A =

(Arithmetic Mean o)

A M =

(Number of Data n)

0 k

(Sum of Values Σx)

0 H

(Sum of Squares of Values Σx 2)

0 G
Data Input Precautions

52.00

SD

1.40788595300

1.31695671900

53.37500

8.00

427.00

22805.00

•S Sinputs the same data twice.

•You can also input multiple entries of the same data us- ing A G. To input the data 110 ten times, for example, press 110 A G10 S.

•The above results can be obtained in any order, and not necessarily that shown above.

•To delete data you have just input, press A U.

kProbability Distribution Calculations

• Press A Dto produce the screen shown below.

P ( Q ( R ( →t

1 2 3 4

•Input a value from 1 to 4 to select the probability distribution calculation you want to perform.

P(t)

Q(t)

R(t)

E-20