Bst 322 exam questions - Study guides, Class notes & Summaries

BST 322 Week 4 Exam Questions and Answers Graded A

BST 322 final exam 2023 all possible questions and answers solved correctly

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

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...

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-...

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...