Sample Size Determination is a statistical analysis approach used to identify the number of observations or replicates needed in a statistical sample. Coursera's Sample Size Determination skill catalogue teaches you about the underlying principles and techniques used to determine the appropriate sample size for reliable and accurate results. You'll learn the concept of statistical power, effect size, margin of error, and confidence level, all of which influence the determination of sample size. Gain insights into the application of these concepts in various fields such as scientific research, market research, quality control, and other industries where data-driven decision making is vital. Through this skill, you will also learn to use various statistical tools to perform sample size calculations efficiently, ensuring your research or analysis has adequate power and precision.