Chi-Square Tests

$$\frac{\left(18-25\right)^2}{25}+...+\frac{\left(21-25\right)^2}{25}$$

$$\frac{\left(25-18\right)^2}{18}+...+\frac{\left(25-21\right)^2}{21}$$

$$\frac{\left(18-25\right)}{25}+...+\frac{\left(21-25\right)}{25}$$

$$\frac{\left(18-25\right)^2}{100}+...+\frac{\left(21-25\right)^2}{100}$$

$$\frac{\left(0.18-0.25\right)^2}{0.25}+...+\frac{\left(0.39-0.25\right)^2}{0.25}$$

487.7

525

965

1038.8

1174

4

8

10

20

4876

A type I error is possible.

A type II error is possible.

Both a type I and a type II error are possible.

There is no chance of making a type I or type II error because the p-value is approximately zero.

There is no chance of making a type I or type II error because the calculations are correct.

greater than or equal to 2

greater than or equal to 5

greater than or equal to 10

greater than or equal to 30

4

5

6

7