Discussion: Explain a Concept
About:
In this discussion board, let’s help each other understand a fundamental concepts covered in the last three modules of our course and related textbook material, video lesson, and lesson notes. Please choose ONE (1) concept from the list below and provide a detailed explanation:
The Standard Normal Distribution: What is the standard normal distribution, what do the percentages tell us in relation to the z-scores and the mean?
Z-scores: What is a z-score? What is it typically used for? Provide an example problem including the computations & interpret your results
Stratified Random Sample: What is a stratified random sample? Explain each type of stratified random sampling procedure. Provide an example of one.
Point Estimate vs Confidence Intervals: What is the difference between a point estimate and a confidence interval? When it comes to confidence intervals, what controls precision and accuracy?
- Replies:
Reply to at least two students with feedback on their explanations offering advise for clarity and thoroughness if needed, feel free to add additional details and explanations as well as an additional application or example.
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