Table of Contents
What is the statistical investigation process?
Statistical investigation is part of an information gathering and learning process which is undertaken to seek meaning from and to learn more about observed phenomena as well as to inform decisions and actions. A scientific method is used for a statistical investigation since it is concerned with empirical data.
What are the types of statistical investigation?
We discuss two types of statistical investigations: the observational study and the experiment. Each type of investigation involves a different approach to collecting data.
What are the six steps of statistical investigation?
Terms in this set (6)
- ask a research question.
- design a study and collect data.
- explore the data.
- draw inferences beyond the data.
- formulate conclusions.
- look back and ahead.
What is investigator in statistics?
(b) Investigator The person who plans and conducts the statistical investigation independently or with the help of others is called investigator. Respondent The person who answers/responds to the set of questions is called respondent.
What are the basic elements of a statistical investigation?
Real statistical data investigations involve a number of components: formulating a problem so that it can be tackled statistically; planning, collecting, organising and validating data; exploring and analysing data; and interpreting and presenting information from data in context.
What are the four steps in a statistical investigation?
Four-Step Statistical Process:
- Plan (Ask a question): formulate a statistical question that can be answered with data.
- Collect (Produce Data): design and implement a plan to collect appropriate data.
- Process (Analyze the Data): organize and summarize the data by graphical or numerical methods.
What are the 5 stages of statistical investigation?
A cycle that is used to carry out a statistical investigation. The cycle consists of five stages: Problem, Plan, Data, Analysis, Conclusion.
What is the first step involved in statistical investigation?
The main steps utilized in a statistical investigation include four components: clarifying the problem and formulating questions or hypotheses that can be answered with the data, designing or creating an appropriate experiment that can collect the data required, finding and using the appropriate techniques needed to …
What do investigators mean?
An investigator is someone who carries out investigations, especially as part of their job. an undercover investigator. Synonyms: examiner, researcher, inspector, monitor More Synonyms of investigator.
What do investigators do?
A private detective and investigator searches for clues to gather evidence for court cases or private clients. They interview people, verify information, conduct surveillance, find missing persons, and gather vital facts for cases.