The Regression Line Has Been Fitted to the Data

question 221

Multiple Choice

The regression line has been fitted to the data points (4, 8) , (2, 5) , and (1, 2) . The sum of the squared residuals will be:

• A) 7
• B) 15
• C) 8
• D) 22

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Definitions:

Central Tendency

A statistical measure that identifies a single value as representative of the middle of a dataset, often the mean, median, or mode.

Bimodal Distributions

Probability distributions with two different modes or peaks, reflecting two dominant values in a dataset.

Central Tendency

A statistical measure that identifies a single value as representative of an entire distribution of data, aiming to define the center of the data set with measures such as mean, median, and mode.

Outliers

Observations in data that are significantly different from the majority of the data points, potentially indicating a measurement error or a novel finding.