BST 322 (BST 322)
National University
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BST 322 Final Questions Wk 4
- Exam (elaborations) • 7 pages • 2023
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Critical care nurses wanted to evaluate the effect of heparin vs saline IV flush solution on IV patency (patent vs not patent). Which test is most appropriate? 
 
 
•	Question 2 
 
An entire set of individuals or objects having some common characteristics is: 
 
•	Question 3 
 
 
1 out of 1 points 
 
 
 
 
 
1 out of 1 points 
 
Positive relationships between two variables indicate that, as the score of one increases, the score of the other increases. 
 
 
•	Question 4 
 
Parametric te...
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BST322 Intro to Biomedical Statistics
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•	Question 1 
 
 
1 out of 1 points 
 
 
The assumptions for ANCOVA differ substantially from those for ANOVA. 
 
Selected Answer: 
Correct Answer: 
 
 Fals e 
 Fals e 
 
•	Question 2 
 
A nurse researcher wanted to evaluate blood pressure in a set of 
 
 
1 out of 1 points 
 
patients/research subjects at 1, 3, and 6 months. What test would be most appropriate? 
Selected	 
Answer:	RM-ANOVA 
Correct	 
Answer:	RM-ANOVA 
•	Question 3 
1 out of 1 points 
 
A variable with equal dis...
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BST 322 Final Exam
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Question 1 
1 out of 1 points 
Parametric tests can be used with any type of data. 
Correct Answer: 
False 
Question 2 
1 out of 1 points 
Bivariate statistics refers to the statistical analysis of the relationship between two variables. 
Correct Answer: 
True 
Question 3 
1 out of 1 points 
Correlation coefficients, r, range from -1.00 to +1.00. 
Correct Answer: 
True 
Question 4 
1 out of 1 points 
Data which uses number values, has an equal distance between values, and has a possible absolute...
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BST 322 final exam
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Question 1 
1 out of 1 points 
This is used when a conservative approach is desired and an expected 
cell frequency is less than 5 in a 2X2 table. 
Selected 
Answer: Fisher's exact 
test 
Answers: 
Fisher's exact 
test 
Cramer's V 
Yates' 
correction 
Regression 
 Question 2 
1 out of 1 points 
When examining the relationship between a nominal variable and an 
interval or ratio variable, you would create a table using the nominal 
variables, calculate the mode and median of the interval o...
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BST 322 final exam
- Exam (elaborations) • 16 pages • 2023
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Question 1 
1 out of 1 points 
This is used when a conservative approach is desired and an expected 
cell frequency is less than 5 in a 2X2 table. 
Selected 
Answer: Fisher's exact 
test 
Answers: 
Fisher's exact 
test 
Cramer's V 
Yates' 
correction 
Regression 
 Question 2 
1 out of 1 points 
When examining the relationship between a nominal variable and an 
interval or ratio variable, you would create a table using the nominal 
variables, calculate the mode and median of the interval o...
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NATIONAL UNIVERSITY BST 322 QUIZ 3-with verified answers-2022/2023
- Exam (elaborations) • 9 pages • 2022
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QUESTIONS AND ANSWERS
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BST 322 Week 3 Assignment
- Exam (elaborations) • 3 pages • 2021
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9. Write a paragraph summarizing the results of the analysis in Exercise 8. What can you conclude about 
smoking and depression (“Feeling Down”) in this sample? The Chi-square value of 6.31 is statistically 
significant because it is greater than its critical value of 5.99. In addition, the p-value is less than 0.05, 
therefore we can reject the null hypothesis that smokers/non-smokers are independent of the depression 
frequency. It appears that smoking affects depression frequency. 
10. Be...
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BST 322 Exams Study Guide
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BST 322 Week 2 Assignment
BST 322 Week3Assignment
BST 322 Independent Project
BST 322 BST Quiz 2
BST 322 BST Final Exam
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BST 322 Week 2 Assignment
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5. (1 pt) Write a few sentences that could be used to report the results obtained for the t-test in 
Exercise 4. 
We are unable to reject the null hypothesis (H0: μ = 45) because the p-value 0.1371 is greater than .05 
makes it non-significant. The tabled value 2.12 for a two-tailed test is greater than the t-statistic 
1.565. This means we cannot accept the alternative hypothesis that the drug alters heart rate. (HA : 
μ ≠ 45) 
6. (2 pts) A study by the Fellows Research Group evaluated the ...
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BST 322 Week3Assignment
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7. (1 pt) Using the information provided, indicate which statistical test you think should be 
used for each of the following situations (a-d): 
y. 
a. Independent variable: normal birth weight vs. low birth weight infants; dependent variable: 
breathing rate (in breaths per minute). 2-T-Test 
b. Independent variable: time of measurement of same patient (before, and after surgery); dependent 
variable: heart rate. One sample T-test 
c. Independent variable: time of measurement (before, during, a...
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