explain a concept



In this discussion board, let’s help each other understand a fundamental concepts covered in the first five modules of our course and related textbook material, video lesson, and lesson notes. We’ll explore levels of measurement, types of variables, research questions, and various statistical measures. Please choose ONE (1) concept from the list below and provide a detailed explanation:

Levels of Measurement: Nominal, Ordinal, Interval, Ratio scales – Explain each level and provide examples of variables that fall under each level.

Variables: Define independent and dependent variables, and provide examples of each in a research context.

Graphs: Discuss which level of measurement goes with each graph (line graph, histogram, pie chart, bar graphs)

Measures of Central Tendency: Explain mean, median, and mode, and discuss when each measure is appropriate to use. Explain what level of measurement corresponds to each measure.

  1. Measures of Variability: Discuss range, variance, and standard deviation, and explain their importance in analyzing data.

Rates and Percentages: Define rates and percentages and provide examples of how they are used in research and everyday contexts.

  1. Skewed Distributions: Explain the difference between a positive or negatively skewed distribution. Provide an example

Choose your own! Explain a concept not listed here but that you think you would do a great job explaining.

  1. 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.

explain a concept

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