Study guides, Class notes & Summaries

Biostatistics correct answers Use of data analysis and interpretation in care research Data analysis correct answers Involves application of statistical tests to the data in order to organize,describe,summarize and analyze it to answer a research question or test a hypothesis Categorizing data correct answers itative data tative data nuous variable ete variable orical variable tomous variable al scale al scale val scale scale Quantitative data correct answers -represente...

five important charteristics of data correct answers Center - a representative or average value that indicates where the data set is located Variation - a measure of the amount that the data values vary among themselves Distribution - the nature or shape of the distribution of the data (such as bell-shaped, uniform, or skewed) Outliers - sample values that lie very far away from the vast majority of the other sample values Time - changing characteristics of the data over time a representa...

1. Absolute value correct answers is its distance from zero on the number line. For example, -7 is 7 units away from zero, so its absolute value would be 7. 2. Alpha (α) correct answers is the probability of rejecting the null hypothesis when the null hypothesis is true. 3. Alternative hypothesis correct answers is one that states there is a statistically significant relationship between two variables 4. Array correct answers it is a group of numbers in rows and columns with the smalle...

Statistics correct answers The study of methods to describe and measure aspects of nature from samples. Statistics gives us tools to quantify the uncertainty of measures. Estimation correct answers The process of inferring an unknown quantity of a target population using sample data. Parameters and statistics correct answers A parameter is a quantity describing a population, whereas a statistic is a related quantity calculated from a sample. The parameter is the truth, and the statistic/es...

Data - numbers that are gathered by some process, either measuring or counting Statistics - the field of study concerned with gathering, organizing, summarizing and analyzing data Major Sources of Data - 1- Routinely kept records 2- Run surveys 3- Run experiments 4- External sources Variable - measurement or count that changes from one element to the next. It can be quantitative (measured or counted) or qualitative (ranked) Random Variable - a variable that does not depend on the previou...

five important charteristics of data - Center - a representative or average value that indicates where the data set is located Variation - a measure of the amount that the data values vary among themselves Distribution - the nature or shape of the distribution of the data (such as bell-shaped, uniform, or skewed) Outliers - sample values that lie very far away from the vast majority of the other sample values Time - changing characteristics of the data over time a representative or averag...

Sampling error - chance difference between an estimate and the population parameter being estimated Bias - systematic discrepancy between estimates and the true population characteristic Random sample - each member of a population has an equal and independent chance of being selected categorical data - named characteristics of individuals that do not have magnitude on a numerical scale numerical - quantitative measurements that have magnitude on a numerical scale nominal categorical - no...

Biostatistics Final Exam Questions and Answers 2023 with complete solution

Biostatistics Final Exam Questions and Answers 2023 with complete solution

BIOSTATISTICS FINAL EXAM MULTIPLE CHOICE QUESTIONS WITTH CORRECT ANSWERS