Cob 191 - Study guides, Class notes & Summaries

COB 191 EXAM 1 LATEST RATIONALE WITH ANSWERS GRADED A+ COB 191 EXAM 1 LATEST RATIONALE WITH ANSWERS GRADED A+ COB 191 EXAM 1 LATEST RATIONALE WITH ANSWERS GRADED A+ COB 191 EXAM 1 LATEST RATIONALE WITH ANSWERS GRADED A+ COB 191 EXAM 1 LATEST RATIONALE WITH ANSWERS GRADED A+ COB 191 EXAM 1 LATEST RATIONALE WITH ANSWERS GRADED A+ COB 191 EXAM 1 LATEST RATIONALE WITH ANSWERS GRADED A+ COB 191 EXAM 1 LATEST RATIONALE WITH ANSWERS GRADED A+ COB 191 EXAM 1 LATEST RATIONALE WITH ANSWERS GRADED A+ COB 1...

Simple Random (sampling type) - Answer- Every member of the population has an equal chance of being selected -it's simple and it's random. Systematic (sampling type) - Answer- Every kth member of the population is selected for the sample. It's easy to do manually, but there can be periodicity which allows for bias. Stratified (sampling type) - Answer- Divide the population into mutually exclusivegroups based on one variable (strata). Next, randomly and proportionally select from those s...

COB 191; Exam 1 Chapters 1-4 with Certified Solutions statistics the mathematical science that deals with the collection, analysis and presentation of data data values assigned to observations or measurements, raw facts information data transformed into useful facts that can be used for a specific purpose primary data data that you collected for your own use secondary data data collected by someone else qualitative data that is organized or collected based on quality, non-numerical quantit...

Statisticsthe science of collecting, analyzing, interpreting, and presenting data descriptive statisticsorganizing and summarizing data; collect data, summarize data, and display data inferential statisticsusing probability methods to determine how confident we are in our conclusion why do businesses need statistics?because they need to know what the effects of each choices will be What are the two types of data?qualitative and quantitative Why is it important to know the different ty...

COB 191 JMU Final Test Questions with Answers Simple Random (sampling type) - Answer-Every member of the population has an equal chance of being selected -it's simple and it's random. Systematic (sampling type) - Answer-Every kth member of the population is selected for the sample. It's easy to do manually, but there can be periodicity which allows for bias. Stratified (sampling type) - Answer-Divide the population into mutually exclusivegroups based on one variable (strata). Next, ran...

QUESTIONS AND ANSWERS

COB 191 JMU Final Test Questions with Answers Simple Random (sampling type) - Answer-Every member of the population has an equal chance of being selected -it's simple and it's random. Systematic (sampling type) - Answer-Every kth member of the population is selected for the sample. It's easy to do manually, but there can be periodicity which allows for bias. Stratified (sampling type) - Answer-Divide the population into mutually exclusivegroups based on one variable (strata). Next, ra...

Questions And Answers using information obtained from a sample to estimate a characteristic of a population is - ANSWER- inferential stats which of the following can be reduced by proper interviewer training? - ANSWERmeasurement error if you are unsure about one section of data, what type of statistical error can occur? - ANSWER- measurement error What type of data is: your professor's name - ANSWER- qualitative categorical data/nominal What type of data is: how many exams you have th...

COB 191 final 2023 Exam Questions And Answers using information obtained from a sample to estimate a characteristic of a population is - ANSWER- inferential stats which of the following can be reduced by proper interviewer training? - ANSWERmeasurement error if you are unsure about one section of data, what type of statistical error can occur? - ANSWER- measurement error What type of data is: your professor's name - ANSWER- qualitative categorical data/nominal What type of data is: ...