Bst 322 exam questions Study guides, Class notes & Summaries

BST 322 Week 2 Exam 2 Questions with correct Answers

BST 322 Week 4 Exam Questions and Answers Graded A

BST 322 Week 3 Exam Questions and Answers

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...

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 Week 4 Exam Questions & Answers Correct 100% coefficient of determination linear regression regression equation Intercept concept Slope Residulas Least squares standard error of estimate Multiple regression Multiple correlation coefficient Adjusted R2 stimultaneous regression model Hierarchical regression model Step-wise regression model Dummy coding Effect coding Orthogonal coding Multicollinearity Analysis of covariance (ANCOVA) Covariate Multivariate ANOVA (MANOVA...

BST 322 WEEK 3 ASSIGNMENT QUESTIONS AND 100% CORRECT ANSWERS 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 data - Answer Information in numerical form. ...

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 research Yate's correction - Answer - a variat...

qualitative data - Answer descriptive data quantitative data - Answer numerical data Independent variable - Answer x- the hypothesized cause of, r influence on, an outcome Dependent Variable - Answer y- the outcome of the interest, hypothesized to depend on, or be cause by, the independent variable. Discrete - Answer categories are indivisible, with a finite number of values between two points. (whole numbers) Continuous - Answer can in theory assume an infinite number of values b...