Research 9 Review

A type of statistical test that determines whether or not two population means are different when the variances are known and the sample size is large

• Z-Test

• T-Test

• ANOVA

• Chi-square Test of Independence

What is the sample size of a Z-Test?

• less than 0

• 30 only

• less than 30

• 30 and above

What is the sample size of T-Test?

• less than 0

• less than 30

• only 30

• 30 and above

What is this symbol called? H₀

• Null Hypothesis

• Alternative Hypothesis

What is this symbol called? H₁

• Null Hypothesis

• Alternative Hypothesis

What is always tested to determine the conclusion?

• Null Hypothesis

• Alternative Hypothesis

What type of test are you using with this formula?

• T-Test

• Chi-square Test of Independence

• Z-Test

• ANOVA

A set of values for the test statistic for which the null hypothesis is rejected

• Non-Rejection Region

• Polar Region

• Hypothesis Region

• Rejection Region

Set or range of values of the test statistic for which the null hypothesis is accepted.

• Non-Rejection Region

• Polar Region

• Hypothesis Region

• Rejection Region

What kind of test is this?

• Parabola Test

• One-Tailed Test

• Two-Tailed Test

• Mountain Test