Population vs sample 2 - Study guides, Class notes & Summaries

Dissolved oxygen is oxygen that is trapped in a fluid, such as water. Since many living organisms require oxygen to survive, it is a necessary component of water systems such as streams, lakes and rivers in order to support aquatic life. The dissolved oxygen is measured in units of ppm (parts per million). Examine the data in Table 4 showing the amount of dissolved oxygen present and the number of fish observed in the body of water the sample was taken from; finally, answer the questions be...

null hypothesis (H0) - the statistical hypothesis tested by the statistical procedure; usually a hypothesis of no difference or no relationship Interquartile Range (IQR) - the difference between the first and third quartiles (middle 50% of observations) dichotomous measure - describes the presence or absence of an attribute (ex smoker/nonsmoker) nominal data - categories that vary with no natural order (ex blood types) ordinal data - categories with natural order but without clear units (e...

Introduction to Statistics Latest Update Graded A+ Statistics A set of tools and techniques that is used for describing, organizing, and interpreting information or data Example of statistics Number of students in a particular curriculum speed of problem- solving, or average cost of dinner Purpose of statistics Making decisions with incomplete data Data A record of an observation or an event such as a test score, grade in a class, or response time, one! Data Set A collection...

Con of tertiary literature? lag time for updates; interpretation is dependent on author opinion; often incomplete Tertiary literature works that summarize, discuss, criticize, etc., the primary literature - guidelines, texts, ACCESS pharmacy Secondary literature index of abstract primary and teriary literature found in journals, provides a rapid method to search for primary literature - Medline, PubMed Evidence-based medicine? The conscientious explicity and judicio...

Regular logistic growth - Answer-Goes up exponentially then plateaus Niche - Answer-The range of abiotic and biotic conditions an organism can tolerate/handle Fundamental niche - Answer-the range of abiotic conditions under which a species can persist Realized niche - Answer-the range of abiotic and biotic conditions under which the species can persist fundamental/realized niche of american chestnut - Answer--Fundamental niche: Is climatic and soil conditions throughout eastern USA. - Real...

CFA Level 1 - 101 Must Knows 368 Questions with Verified Answers Addition Rule of Probability - CORRECT ANSWER ADDITION: P(A or B) = P(A) + P(B) - P(AB) Roy's Safety First Criterion - CORRECT ANSWER Safety First Ratio = (E(R) - Rₜ) / σ Larger ratio is better If (Rₜ) is risk free rate, then it becomes Sharpe Ratio Sharpe Ratio - CORRECT ANSWER Sharpe Ratio = (E(R) - RFR) / σ Larger ratio is better If (Rt) is higher than RFR, then it becomes Safety First Ratio Centra...

ATI Fundamentals Online Practice 2020 B A nurse is reinforcing teaching with the caregiver of a client who is near death. Which of the following instructions should the nurse provide? A. "Encourage meals at least three times daily." B. "Keeping the room warm will help them breathe easier." C. "Help them onto their left side if they are experiencing nausea." D. "Provide mouth care to them at least every 2 hours." - ANSWER D. "Pro...

4 Basic Steps of binary fission - Answer-1. Growth of cell size 2. Replication of DNA 3. Division of cytoplasm 4. Septum formation & cell division Z Ring Assembly - Answer-FtsZ assembles Z ring to form divisome Generation Time - Answer-time it takes to double the population Lag Phase - Answer-Cells adjust to culture medium; no change in population What factors determine the duration of the lag phase? - Answer-Genetic makeup, media composition, initial inoculum size During which phase of...

Nature - Genetics Nurture - Environmental influences Neuroscience - How the body and brain work together Evolutionary Psychology - Evolutionary basis of our behavior, natural selection Behavior Genetics - Nature vs nurture Psychodynamic - Freud. Focuses on unconscious drives and motives Behavior Psychology - How human behavior can be shaped or changed through obseration Cognitive Psychology - Thought process, memory, decision making, heuristics Social-Cultural Psychology - How culture sh...

Child Development Area of Study devoted to understanding constancy and change from conception to adolescence, cognitive, social, emotional, and physical development Chronological Age Age based on time spent on Earth Biological Age Age based on bodies biological development Psychological Age Age based on mind, maturity level Social Age Age based on social roles and responsibilities taken on Universal vs. Individual Development [One Course or Many Courses] ...