<span>Disposable razor blades were invented in 1901 by Gillette.
Gillette is a company based in the United States, founded by King C. Gillette in 1901. He was an American businessman who saw the need for disposable razor blades, which is why he is considered the pioneer in the business.
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Answer: sample size
Explanation: sample size simply means the number of observations or items chosen as a representation of a population. Sample size is an important terminology used in statistical analysis as most statistical or experimental research cannot be performed using all the available observations in the entire population either due to cost or total impossibility. The larger the sample size, the better the generalization made about the entire population.
Therefore, a sample size consisting of 10,000 participants or observations will generalize more and hence, attract greater value and interest than the same analysis with a sample size of 24 participants.
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The researchers would need to show that the entity they discovered replicates, processes information, acquires and uses energy, and is cellular, and that its populations evolve.
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What is the role of a researcher?</u></h3>
- A researcher's job is to do research using the scientific method to learn more about the world around us.
- Typically, researchers are employed by either university or commercial organizations.
- To support future research, enlarge the body of academic literature, and enhance decision-making, researchers collect data over the course of a project, evaluate the data, and publish the findings. duties and responsibilities of a researcher
- Plan research goals and test parameters with the assistance of committees and a team of other researchers.
- Identify the research techniques, variables, methods for gathering data, and analysis procedures.
A researcher has to make sure the project is being watched to ensure it complies with the rules and regulations, At the conclusion of the project, interpret the data, write reports outlining the research findings, and offer suggestions.
Know more about researcher with the help of the given link:
brainly.com/question/24174276
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