If $\sum x _ { i } = 7587$ $\sum y _ { i } = 7106.4$

question 287

True/False

If $\sum x _ { i } = 7587$ , $\sum y _ { i } = 7106.4$ , n = 12, and the slope equals 0.5, then the y-intercept of the least squares line is b₀ = 276.08.

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Definitions:

Density

The mass of a substance per unit volume, often used to describe the compactness of materials in physics and earth sciences.

Seismic Waves

Waves of energy that travel through the Earth, often as a result of earthquakes, which can provide information about Earth's internal structure.

Gravity

The force of attraction by which terrestrial bodies tend to fall towards the center of the Earth.

Density

A measure of mass per unit of volume, indicating how compact a substance is.