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Exam (elaborations)
BST 322 final UPDATED Exam Questions and CORRECT Answers
BST 322 final UPDATED Exam Questions 
and CORRECT Answers 
Information collected in a numerical form is called - CORRECT ANSWER- quantitative 
Which measure of central tendency is at the highest point on a graph? - CORRECT 
ANSWER- mode 
Correlation coefficient tests allow you to determine if a cause and effect relationship is 
present. - CORRECT ANSWER- false 
Data that are categorical but can be rank-ordered in a meaningful way are called: - 
CORRECT ANSWER- ordinal 
If the mean is to the l...
Exam (elaborations)
BST 322 Week 2 questions and answers (verified for accuracy)
Sampling error 
(SEM) The difference between the sample value and the parameter. Error in a statistical analysis arising from the unrepresentativeness of the sample taken. Reflects the tendency for statistics to fluctuate from one sample to another. 
 
 
 
Sampling distribution 
Are actually probability distributions, is central to estimates of sampling error. 
 
 
 
Sampling distribution of the mean 
A theoretical probability distribution of the means of an infinite number of samples given size...
Exam (elaborations)
BST 322 - Intro Study Guide questions and answers (verified for accuracy)
Qualitative 
Non-numeric or narrative in form 
 
 
 
Quantitative 
1) Numeric, composed of numbers or scores. 2) e.g. blood pressure, weight, age, etc. 
 
 
 
Variable 
1) A characteristic of an individual or group 
2) e.g., body temperature, blood pressure, date of birth, or anything else that can be measured 
 
 
 
Independent Variable 
1) Influences the outcome of something; the one you change. In experimental research, this is the variable that is manipulated 
2) e.g. placebo vs drug 
 
 
 
...
Exam (elaborations)
bst322 final exam questions and answers (verified for accuracy)
Information collected in a numerical form is called 
quantitative 
 
 
 
Which measure of central tendency is at the highest point on a graph? 
mode 
 
 
 
 
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Correlation coefficient tests allow you to determine if a cause and effect relationship is present. 
false 
 
 
 
Data that are categorical but can be rank-ordered in a meaningful way are called: 
ordinal 
 
 
 
If th...
Exam (elaborations)
BST 322 Week 4 Test Questions with Correct Answers
BST 322 Week 4 Test Questions with Correct Answers 
 
coefficient of determination - Answer-r2 
 
linear regression - Answer-an algorithm to find a precise line of fit for a set of data 
 
regression equation - Answer-Y'= a +bX is the formula for best fiting straight line to charecterize the linear relationship between X and Y. 
 
Intercept concept - Answer- 
 
Slope - Answer-The steepness of a line on a graph 
 
Residulas - Answer-The differences between Y and Y' 
 
Least squares - Answer-Sta...
Exam (elaborations)
BST 322 Week 3 Test Questions with Correct Answers
BST 322 Week 3 Test Questions with Correct Answers 
chi-square test of independence - Answer-- basic non-parametric test 
-	determine if two categorical variables are independent; basically if they have a relationship 
-	compares the observed and expected cell frequencies of a contingency table 
 
expected frequencies - Answer-- we would expect to see if the subjects were distributed through the table randomly 
 
observed frequencies - Answer-- those counts we literally got in the course of some...
Exam (elaborations)
BST 322 Week 2 Test Questions with Correct Answers
BST 322 Week 2 Test Questions with Correct Answers 
 
Sampling error - Answer-Error in a statistical analysis arising from the unrepresentativeness of the sample taken.Reflects the tendency for statistics to fluctuate from one sample to another. 
 
Sampling distribution - Answer-Are actually probability distributions, is central to estimates of sampling error. 
 
Sampling distribution of the mean - Answer-A theoretical probability distribution of the means of an infinite number of samples given ...
Exam (elaborations)
BST 322 Unit 1 Test Questions with Correct Answers
BST 322 Unit 1 Test Questions with Correct Answers 
Evidence Based Practice (EBP) 
4 Steps in EBP Include - Answer-Based on research results. 1. Asking Clinical Questions 
2. Searching for research evidence that addresses the question 3. Appraising the evidence and then 
4. Integrating the evidence with ones own clinical expertise & information about patient preferences. 
 
Qualitative data - Answer-Verbal, narrative information. Example: Male or female, 
Happy, sad, depressed 
 
Quantitative da...
Exam (elaborations)
BST 322 Quiz 3 Practice 2 Questions and Answers
BST 322 Quiz 3 Practice 2 Questions and Answers 
 
 
Chi square test for independence compares observed frequencies with: - Answer- Expected frequencies 
 
The test statistic calculated in the process of a Kruskall-Wallis test is H. - Answer-true 
 
This is used when the expected cell frequency in a 2X2 table is less than 5 - Answer- Fisher's exact test 
 
If the Chi-Square statistic is less than the table value, we accept the null hypothesis. - Answer-true 
 
Chi-square tests can only be condu...
Exam (elaborations)
BST 322 Final Test Questions with Correct Answers
BST 322 Final Test Questions with Correct Answers 
 
This is used when a conservative approach is desired and an expected cell frequency is less than 5 in a 2X2 table. - Answer-Fisher's exact test 
 
It is important to assess the magnitude or strength of a relationship because this assists you with deciding whether or not a variable A causes variable B. 
True or False - Answer-False 
 
A Z score of +/-1.96 is equivalent to these values on a normal distribution. - Answer-+/-2 standard deviations...
Exam (elaborations)
BST 322 Final Exam Questions with Correct Answers
BST 322 Final Exam Questions with Correct Answers 
Information collected in a numerical form is called - Answer-quantitative 
 
Which measure of central tendency is at the highest point on a graph? - Answer-mode 
 
Correlation coefficient tests allow you to determine if a cause and effect relationship is present. - Answer-false 
 
Data that are categorical but can be rank-ordered in a meaningful way are called: - Answer-ordinal 
 
If the mean is to the left of the median, what is true? - Answer-...
Exam (elaborations)
BST 322 Final Exam Questions and Answers All Correct
BST 322 Final Exam Questions and Answers All Correct 
 
This is used when a conservative approach is desired and an expected cell frequency is less than 5 in a 2X2 table. - Answer-Fisher's exact test 
 
It is important to assess the magnitude or strength of a relationship because this assists you with deciding whether or not a variable A causes variable B. 
True or False - Answer-False 
 
A Z score of +/-1.96 is equivalent to these values on a normal distribution. - Answer-+/-2 standard deviati...
Exam (elaborations)
BST 322 Exam Questions with Correct Answers
BST 322 Exam Questions with Correct Answers 
 
When calculating a Pearson's correlation coefficient, it is necessary that both variables have approximately normal distributions. - Answer-True 
 
The variable "Group assignment" is an example of what level of measurement? - Answer-Nominal 
 
Statistics that allow for inferences to be made about a population from the study of a sample are known as: - Answer-Inferential 
 
Which measure of variability is used most often in conjunction with the me...
Exam (elaborations)
BST 322 Week 4 Test Questions with Correct Answers
BST 322 Week 4 Test Questions with Correct Answers 
 
coefficient of determination - Answer-r2 
 
linear regression - Answer-an algorithm to find a precise line of fit for a set of data 
 
regression equation - Answer-Y'= a +bX is the formula for best fiting straight line to charecterize the linear relationship between X and Y. 
 
Intercept concept - Answer- 
 
Slope - Answer-The steepness of a line on a graph 
 
Residulas - Answer-The differences between Y and Y' 
 
Least squares - Answer-Sta...
Exam (elaborations)
BST 322 Week 3 Test Questions with Correct Answers
BST 322 Week 3 Test Questions with Correct Answers 
chi-square test of independence - Answer-- basic non-parametric test 
-	determine if two categorical variables are independent; basically if they have a relationship 
-	compares the observed and expected cell frequencies of a contingency table 
 
expected frequencies - Answer-- we would expect to see if the subjects were distributed through the table randomly 
 
observed frequencies - Answer-- those counts we literally got in the course of some...
Exam (elaborations)
BST 322 Week 2 Test Questions with Correct Answers
BST 322 Week 2 Test Questions with Correct Answers 
Sampling error - Answer-Error in a statistical analysis arising from the unrepresentativeness of the sample taken.Reflects the tendency for statistics to fluctuate from one sample to another. 
 
Sampling distribution - Answer-Are actually probability distributions, is central to estimates of sampling error. 
 
Sampling distribution of the mean - Answer-A theoretical probability distribution of the means of an infinite number of samples given si...
Exam (elaborations)
BST 322 Unit 1 Test Questions with Correct Answers
BST 322 Unit 1 Test Questions with Correct Answers 
 
Evidence Based Practice (EBP) 
4 Steps in EBP Include - Answer-Based on research results. 
1.	Asking Clinical Questions 
2.	Searching for research evidence that addresses the question 
3.	Appraising the evidence and then 
4.	Integrating the evidence with ones own clinical expertise & information about patient preferences. 
 
Qualitative data - Answer-Verbal, narrative information. Example: Male or female, 
Happy, sad, depressed 
 
Quantitativ...
Exam (elaborations)
BST 322 Quiz 3 Practice 2 Questions and Answers
BST 322 Quiz 3 Practice 2 Questions and Answers 
 
 
Chi square test for independence compares observed frequencies with: - Answer- Expected frequencies 
 
The test statistic calculated in the process of a Kruskall-Wallis test is H. - Answer-true 
 
This is used when the expected cell frequency in a 2X2 table is less than 5 - Answer- Fisher's exact test 
 
If the Chi-Square statistic is less than the table value, we accept the null hypothesis. - Answer-true 
 
Chi-square tests can only be condu...
Exam (elaborations)
BST 322 Final Test Questions with Correct Answers
BST 322 Final Test Questions with Correct Answers 
This is used when a conservative approach is desired and an expected cell frequency is less than 5 in a 2X2 table. - Answer-Fisher's exact test 
 
It is important to assess the magnitude or strength of a relationship because this assists you with deciding whether or not a variable A causes variable B. 
True or False - Answer-False 
 
A Z score of +/-1.96 is equivalent to these values on a normal distribution. - Answer-+/-2 standard deviations 
...
Exam (elaborations)
BST 322 Final Exam Questions with Correct Answers
BST 322 Final Exam Questions with Correct Answers 
Information collected in a numerical form is called - Answer-quantitative 
 
Which measure of central tendency is at the highest point on a graph? - Answer-mode 
 
Correlation coefficient tests allow you to determine if a cause and effect relationship is present. - Answer-false 
 
Data that are categorical but can be rank-ordered in a meaningful way are called: - Answer-ordinal 
 
If the mean is to the left of the median, what is true? - Answer-...