Sharp EL-6895 Instruction Manual download pdf (Page 17)

21

Eech of these

four

keys have

two

functions,

the

symbols

printed

in

the

light

color

can

be

addressed

by

touching

the

key.

the

symbols

printed

in

the

dark

color,

can

be

addressed.

by

first touching

theITJkey.

2.

Statistical

calculation

•

By

entering

the

data

into

the

calculator.

sum

of

x{Ex).

mean of x

(~l.

sum

of

x'

(:ex')

ant

standard

deviatioh

of

samples

and

populations

can

be

obteined.

•

To

perform

statistical

calculations

set

the

special

function

mode

selector

at

the

"STAT"

mode.

"

Key

operation

Display

Data

Note

l

lEJ

oJ

4782968.992

3"

A(x.+61U)

CEl

oJ

43046720.92

3"

·A{x.+71U1

CEl

oJ

3874204BB.1

3"

A(x.+BIUI

W

O.

Reset

the

plot

mode

~.

Used

to

enter

the

data

(numbers).

Used

to

correct

the

mis~ntry.

(delete

function)

~~[WE3m

DODD

Displays

the

number

of

samples

entered.

Used

to

obtein

the

sum

of

the

data

(Ex).

Used

to

obtain

the

mean

value

of

the

data

(x).

Used

to

obtain

the

sum

of

x'

(Ex')

Used

to

obtain

the.

standard

deviation

of

the

,amples

(sl.

Used

to

obtain

the

standard

deviation

of

the

population

(01.

~

It

is

impossible to change

to

ther

or

x...;;

function

from

other

functions

except

for

they

m~

and

x...;;

during

the

plot

calculation.

In

order

to

change.

the

new initial

data

must

be

entel §

ed. However. it

is

possible

to

change

to

anyone

of

the

scientific functions from i" and m §

x...;;

during

the

plot

calculation.

IE

w(li)

8

(£]8

•

1)

The

functions

assigned

to

the

special

function

keys.

59

60

61

Ex. 1 Calculate

the

mean value

and

the

standard

devietions

2) Calculation

method

Two

kinds

of

standard

devietion

can

be

calculated

by

the

EL-S001.

deviation

of

samples

(s)

and

the

other

is

thllt

of

the

population

(01.

The

formulas used in

the

two

standard

deviation

calculations are;

No.

x values

Frequency

1

30

1

2

40

2

3

50

4

4

60

4

~.

5

70

8

6

BO

9

7

90

5

B

100

2

62

Key

operation

Display

Note

"STAT"

W

O.

308

1.

Number

of

samples

40002~

3.

Number

of

samples

50[K}4~

7.

Number

of samples

60004~

11.

Number

of

samples

7oQ[l88

19.

Number

of

samples

80{Xl98

28.

Number

of

samples

I

900058

33.

Number

of

samples

,

1000028

35.

Number

of samples

,

f@

70.85714285

Mean value

'.

CD~

2480.

Sum

of

x

m~

185800.

Sum

of

x·

@I

35.

Number

of samples

~

17.2134402

Standard

deviation

of

samples

One

of

them

is

standart

£

x~-nx'

i=l

I

n

a

~

£

x~

- nx'

i=

t I

n

-1

S

_.'-"'";;;;:;•

.:=.~-

..

~-

'*

.:;:00;...-..

•

__

-

---_

..

....

-_

..

_--

-~._--

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 27 28

ElSIMATE 1
.4" 1
1H6Tt2060l 1
~~~~~:"I 3
~Of'F 4
IX"MI 5
[EJ2.7[§] 6
J.'. 7
---" - - 8
"'m,"" 9
+,-,X,';',= 10
I'" @ 10
'F 11
+ 12 hours 12
'" 13
15
3'· 16
- nx' 17
-b-v'b~ 19
"f" 20
WrnffiJ~m 21
Ans. imaginary 22
Y~<r'8) 23
['ill 24
-_._ 25
~Xi'-n'i' 26
10'''~lr 27
W.~.,.nfv 28

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