# MATHEMATICS

Question 1

 What test would you want to use to test a nondirectional research hypothesis?
 [removed] A. One-tailed test [removed] B. Two-tailed test [removed] C. Non-parametric test [removed] D. Frequency test

0.5 points

Question 2

Approximately what percent of scores will fall within one standard deviation of the mean under the normal curve?

 [removed] A. 14 [removed] B. 34 [removed] C. 68 [removed] D. 95

0.5 points

Question 3

The degree of risk you are willing to take that you will reject the null hypothesis when it is actually true is called ____________.

 [removed] A. Statistical significance [removed] B. Type II error [removed] C. Type III error [removed] D. Power

0.5 points

Question 4

If you posit a relationship between two variables as being positive (or negative), what type of test should you use?

 [removed] A. Two-tailed [removed] B. ANOVA [removed] C. One-tailed [removed] D. Cohen’s d

0.5 points

Question 5

What does your research question help to guide?

 [removed] A. Relationships [removed] B. Hypothesis [removed] C. Sampling error [removed] D. Average score

0.5 points

Question 6

If the obtained value is less than the critical value, what should you do?

 [removed] A. Reject the null hypothesis [removed] B. Accept the null hypothesis [removed] C. Set a higher p value [removed] D. Increase your sample

0.5 points

Question 7

 What is the term associated with how flat or peaked a distribution appears?
 [removed] A. Ogive [removed] B. Skewness [removed] C. Kurtosis [removed] D. Variability

0.5 points

Question 8

When describing a set of nominal data, a researcher should use which of the following measures of central tendency?

 [removed] A. Mode [removed] B. Median [removed] C. Standard deviation [removed] D. Mean

0.5 points

Question 9

When the sample accurately represents the population, the results of the study are said to have a high degree of _____________.