Use the Given Data to Find the Equation of the Regression

question 34

Multiple Choice

Use the given data to find the equation of the regression line. Round the final values to three significant digits, if necessary.
- $\begin{array}{r|rrrrr}\mathrm{x} & 1.2 & 1.4 & 1.6 & 1.8 & 2.0 \\\hline \mathrm{y} & 54 & 53 & 55 & 54 & 56\end{array}$

• A) \(\hat { y } = 55.3 + 2.40 x\)
• B) \(\hat { y } = 50 + 3 x\)
• C) \(\hat { y } = 54\)
• D) \(\hat { y } = 50.4 + 2.50 x\)

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Definitions:

Identity Achievement

A stage in adolescent development where individuals have explored and committed to a set of personal beliefs and goals.

Object Permanence

The understanding that objects continue to exist even when they cannot be seen, heard, or otherwise sensed, which develops in early infancy.

Existence

The state or fact of having objective reality or being, encompassing all entities, events, or phenomena that are considered real or conceivable.

Substance

In the context of health and psychology, often refers to psychoactive drugs that can affect mental processes and that may be subject to abuse.