Z-test

Calculates the z-Test of two data samples.

Para acceder a esta orden…

Choose Data - Statistics - Z-test


note

For more information on Z-tests, refer to the corresponding Wikipedia article.


Data

Variable 1 range: The reference of the range of the first data series to analyze.

Variable 2 range: The reference of the range of the second data series to analyze.

Results to: The reference of the top left cell of the range where the test will be displayed.

Agrupados por

Seleccione si los datos de entrada se organizarán en columnas o en filas.

Ejemplo

La tabla siguiente contiene dos conjuntos de datos.

A

B

1

28

19

2

26

13

3

31

12

4

23

5

5

20

34

6

27

31

7

28

31

8

14

12

9

4

24

10

0

23

11

2

19

12

8

10

13

9

33


Results for z-Test:

The following table shows the z-Test for the data series above:

z-test

Alfa

0.05

Diferencia media hipotética

0

Variable 1

Variable 2

Varianza conocida

0

0

Media

16.9230769231

20.4615384615

Observaciones

13

13

Diferencia media observada

-3.5384615385

z

#¡DIV/0!

P (Z<=z) one-tail

#¡DIV/0!

z Critical one-tail

1.644853627

P (Z<=z) two-tail

#¡DIV/0!

z Critical two-tail

1.9599639845


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