**MATH 325 DeVry Final Exam Latest**

Downloading is very simple, you can download this Course here:

http://wiseamerican.us/product/math-325-devry-final-exam-latest/

Or

Contact us at:

**MATH 325 DeVry Final Exam Latest**

**MATH325**

**MATH 325 DeVry Final Exam Latest**

**MATH 325 DeVry Final Exam Latest**

**Question 1.1. (TCO 1)** A histogram may be used to display: (Points : 5)

- discharges by age.
- discharges by third-party payer.
- discharges by service.
- discharges by sex.

**Question 2.2. (TCO 2)** You want to graph the number of deaths due to prostate cancer for the years 1998 to 2002. The best choice is to use a: (Points : 5)

- frequency polygon.
- histogram.
- line graph.
- pie chart.

**Question 3.3. (TCO 3)** There are 40 students in Section I of a medical terminology class and 20 students in Section II. The mean score on a Midterm Exam for Section I is 60, and the mean score for Section II is 70. What is the mean score for the two classes combined? (Points : 5)

- 63.3
- 65
- 67
- Not enough information provided to answer question

**Question 4.4. (TCO 4)** If population parameters are known, and the sample is sufficiently large, which of the following tests would be most appropriate to test the difference between two population proportions? (Points : 5)

- Paired t-test
- One-tailed test
- T-test for two independent samples
- Z-test for two population proportions

**Question 5.5. (TCO 5)** If a distribution has a long tail to the right, it is: (Points : 5)

- bimodal.
- abnormal.
- positively skewed.
- negatively skewed.

**Question 6.6. (TCO 6)** A normal distribution has a mean of 20 and a standard deviation of 5. 95% of the scores fall between: (Points : 5)

- 15 and 25.
- 10 and 30.
- 5 and 35.
- Not enough information provided

**Question 7.7. (TCO 7)** We have drawn a simple random sample of 100 patients who were discharged from a critical care hospital in January. Of all the patients discharged during January, 55% were women and 45% were men. To match the population, our sample should contain: (Points : 5)

- 45 men and 55 women.
- 50 men and 50 women.
- 55 men and 45 women.
- The ratio of men to women in the sample size is not important.

**Question 8.8. (TCO 8)** In the above problems, the sample size is 100. The number of degrees of freedom for evaluating the statistical significance of the test result is: (Points : 5)

- 99.
- 98.
- 97.
- Not enough information provided

**Question 9.9. (TCO 9)** The nonparametric counterpart of the paired t-test is the: (Points : 5)

- sign test.
- Kruskal-Wallis test.
- Mann-Whitney test.
- chi-square goodness-of-fit test.

__Page 2__

**Question 1. 1. (TCO 1)** Describe at least two differences between incidence and prevalence rates, in your own words. (Points : 25)

**Question 2. 2. (TCO 2)** The purpose of a table, chart, or graph is to communicate information to the data user. In your own words, what 3–4 questions should be considered to accomplish this objective? (Points : 25)

**Question 3. 3. (TCO 3)** Compare and contrast the following aspects of validity in your own words: content validity, construct validity, and criterion-related validity. (Points : 25)

**Question 4. 4. (TCO 4)** In your own words, explain the difference between a population parameter and a sample statistic. (Points : 25)

**Question 5. 5. (TCO 5)** In your own words, compare the normal distribution with the standard normal distribution and include standard deviation in your answer. (Points : 25)

**Question 6. 6. (TCO 6)** Compare and contrast the z-distribution with the t-distribution, in your own words. (Points : 25)

**Question 7. 7. (TCO 7)** When conducting ANOVA to compare the means of three groups, under what conditions would we reject the null hypothesis? What conclusion would be drawn? (Points : 25)

**Question 8. 8. (TCO 8)** In your own words, explain the relationship between the Pearson r and the coefficient of determination, r2. What methods of display would be best used for display? (Points : 25)

**Question 9. 9. (TCO 9)** Explain the major differences between parametric and nonparametric procedures, in your own words. (Points : 25)