Use of Simple Linear Regression Analysis Assumes That

question 8

Multiple Choice

Use of simple linear regression analysis assumes that:

• A)Variations around the line are random.
• B)Deviations around the line are normally distributed.
• C)Predictions are to be made only within the range of observed values of the predictor variable.
• D)all of the above
• E)none of the above

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Definitions:

LCL

Lower Control Limit, a statistical measure used in quality control processes to define the lowest acceptable limit of a process variation.

Out-of-control Conditions

Situations in a manufacturing or process environment where variables exceed predetermined control limits, indicating potential quality issues.

Variation

The extent to which data points in a dataset differ from each other and from the mean.

Measurement Systems

Systems and procedures used to assign numbers or other symbols to quantify the properties of objects or events according to specific rules.