Statistics ^_^

What t-test type compares the means for two groups?

• Paired Samples

• Independent

• Dependent

• Mixed

Which does NOT describe a Dependent T-test?

• It is also known as Paired Sample Test.

• It compares the median of the same group.

• It compares the mean of the same group.

• It compares data from different times.

Which of these are NOT used in T-test?

• Ordinal data

• Nominal Data

• Interval Scale

• Variables

Which is an assumption for a T-test?

• There is a non-equal set of data.

• The population is homogenous.

• The distribution is normal.

• The mean should be apart.

What is the first step in terms of statistical logic?

• Recall the formula to be used.

• State the alpha ( $\alpha$ ).

• Define the hypotheses.

• State the decision rule (t-value).

Which best describes a t-test?

• It is a type of descriptive statistics.

• It is used to determine if there are significant differences.

• It can be used as long as the data is not normally distributed.

• All of the above.

Which tells the probability of obtaining a result?

• T - Value

• P - Value

• Standard Deviation

• Mean

Which is a symbol for a null hypothesis?

• H₁

• H₂

• H_a

• H_o

Which is true?

• P-Value < 0.05 - there's statistical difference

• P-Value < 0.05 - there's no statistical difference

• P-Value > 0.05 - there's statistical difference

• None of the above

Bonus question:

What is the full name of our professor?

• Jon B. Velasquez

• Jonel B. Velasquez

• Jonel A. Velasquez

• Jon A. Velasquez