By the end of this week, you should be able to describe the process of data preparation which is the first step in transforming data into useful knowledge. You should also be able to discuss validation, editing and coding of survey data; as well as explain data entry procedures and how to detect errors. Finally, you should be able to describe data tabulation and analysis approaches. This week, we will also look at basic data analysis for quantitative research. By the end of this week, you should be able to explain measures of central tendency and dispersion and describe how to test hypotheses using univariate and bivariate statistics. You should also have an understanding of how to apply and interpret analysis of variance (ANOVA), as well as utilize perceptual mapping to present research findings. This week, you will read Chapter 10.
Please read the following section contained in the textbook: Chapter 10
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Write My Essay For MeResearch the process of sampling, probability and non -probability sampling. Begin with these concepts and continue your research into other areas that interest you.
Please respond to the following:
1) Define data validation.
2) Define data editing.
3) Define data coding.
4) Describe and discuss the difference between these three concepts.
SAMPLE SOLUTION
Sampling is a procedure that researchers use in conducting statistical analysis that involves choosing a pre-established number of observations from a broader data set (Etikan & Bala, 2017). Probability sampling involves using sampling processes to select samples from larger populations based on probability theories. Non-probability sampling is a sampling technique where the researcher knows the chance of choosing each member. In probability sampling, the researcher has an equal opportunity of picking each member of the population (Etikan & Bala, 2017).Data Validation– refers to the process of testing the quality and accuracy of research data. Data validity has a significant influence on the outcomes of a particular study since researchers base their conclusions on the interpretation…
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