What is a Scatter Diagram? How to create a Scatter Plot step by step? In this video, we exactly define what a scatter diagram is by explaining the terms positive and negative correlation.

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00:00 - Intro
00:06 - Seven Basic Tools of Quality
00:37 - What is a Scatter Graph?
00:56 - How to draw a Scatter Diagram step by step?
01:49 - 4 Steps
02:20 - Scatter diagram example
03:13 - Correlation
03:43 - No correlation
04:17 - Negative correlation
04:34 - Positive correlation
04:58 - Limitations of Scatter Diagram

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There are Seven Basic Tools of Quality;

- Fishbone diagram
- Check sheet
- Control chart
- Histogram
- Pareto chart
- Scatter diagram
- Stratification

A Scatter graph is a type of diagram which demonstrates the relationship between two variables for a group of numerical data.

How to Draw a Scatter Diagram Step by Step?

STEP 1: Determine the issue, collect and categorize the data to be analyzed.
STEP 2: Draw the vertical and horizontal axis and plot each variable on the graph.
STEP 3: Determine the type of correlation (positive, negative, strong, weak, etc.)
STEP 4: Determine the root cause of the problem by interpreting results.

Correlation

Correlation shows how the variables relate to each other. There are three types of correlation: positive, negative, and none (no correlation).

Thanks for Watching!
#qualitymanagement #correlation #scatterdiagram #regressionanalysis

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