Stat Quiz 1

The alternative hypothesis is a statement that there is a significant difference or relationship between two variables in a research study.

• TRUE

• FALSE

A one-tailed test is a statistical test that has a critical region on only one side of the normal distribution.

• TRUE

• FALSE

The null hypothesis is a statement that there is a significant difference or relationship between two variables in a research study.

• TRUE

• FALSE

Type 2 error occurs when we reject the null hypothesis when it is actually true.

• FALSE

• TRUE

A two-tailed test is a statistical test that has a critical region on the left side of the normal distribution.

• TRUE

• FALSE

The probability of making a type 1 error is denoted by alpha (α).

• TRUE

• FALSE

Type 2 error occurs when we accept the null hypothesis when it is actually false.

• FALSE

• TRUE

If the p-value is less than or equal to the level of significance, we accept the null hypothesis.

• FALSE

• TRUE

If the p-value is greater than the level of significance, we fail to reject the null hypothesis.

• TRUE

• FALSE

The probability of making a type 1 error is denoted by beta (β)

• FALSE

• TRUE