Bst 322 final test - Study guides, Class notes & Summaries

BST 322 Final Exam - Questions and Answers A nurse researcher studied the effect of biofeedback on blood pressure. For this study, she measured blood pressure on subjects, taught them biofeedback techniques, then re-measured blood pressure on the same group of patients. Which t-test would be most appropriate for this design? Dependent groups t-test The smaller the SEM, the more confidence we have that the estimates from the sample include the population value A range of values estimated to hav...

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-...

BST 322 Final EXAM TEST ANSWERS 2023 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 When exam...

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...

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 When examining the relationship between two inter...

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 ...

Statistics - The most important goal of statistics is to infer an unknown quantity (e.g., height of a species of plant) of an entire population of plants based on sample data (a subset of observations from the population) Population - Entire collection of individual units that share a property or sets of properties from which you want to generalize knowledge about unknown quantities (observations) based on a sub-set of individual units (sample). Parameter - a quantity describing a statisti...

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 When examining the relation...

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 deviation...