Why Do Some Manufacturers Make More Than One Type of Filler

question 20

Essay

Why do some manufacturers make more than one type of filler metal that is included in one classification? ​

---

Definitions:

Moving Average Method

A statistical technique used to analyze time series data by calculating averages of different subsets of the complete dataset.

9-year Moving Averages

A method of smoothing data by calculating the average of different subsets of the total data period of nine years each.

Seasonal Variation

Regular fluctuations in a time series variable within a year, often related to the seasons.

Random Variation

The unpredictable changes in data that cannot be attributed to any specific cause.