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Kt test – Casio fx-9750G PLUS User Manual

Page 311

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283

3

(>)c

ccfw

daaw

cdaw

daaw

1

(CALC)

p

1

>

p

2

............... direction of test

z

......................

z

value

p

..................... p-value

ˆp

1

.................... estimated proportion of population 1

ˆp

2

.................... estimated proportion of population 2

ˆp

..................... estimated sample proportion

n

1

.................... sample 1 size

n

2

.................... sample 2 size

The following key operations can be used to draw a graph.

J

ccccc

6

(DRAW)

k

k

k

k

k

t

Test

You can use the following menu to select a

t

test type.

• {

1-S}/{2-S}/{REG} ... {1-Sample}/{2-Sample}/{LinearReg}

t

Test

u

u

u

u

u

1-Sample t Test

This test uses the hypothesis test for a single unknown population mean when the
population standard deviation is unknown. The

1-Sample

t

Test is applied to

t

-

distribution.

t

=

o

0

µ

σ

x

n

–1

n

o

: sample mean

µ

0

: assumed population mean

x

σ

n

-1

: sample standard deviation

n

: sample size

Perform the following key operations from the statistical data list.

3

(TEST)

2

(

t

)

1

(1-S)

Tests

18 - 6

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