In which of the following do you expect the correlation coefficient to be negative?

Mathematics

1 answer:

sashaice [31]2 years ago

4 0

From the four graphs presented, it is expected the only one with a negative correlation coefficient is the third graph or graph c.

<h3>What is a negative correlation?</h3>

This occurs when the two variables analyzed go in opposite direction, which means one increases and the other decreases.

<h3>How is this represented in a graph?</h3>

In a graph, a negative correlation coefficient is related to a negative slope.

This negative slope can be seen in the third graph or graph C.

Learn more about negative slope in: brainly.com/question/16295806

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If all angles are 90 degrees, and the crystal has a square base with a height that is larger than one of the square sides, what

LekaFEV [45]

Answer:

Tetragonal unit cell.

Step-by-step explanation:

A unit cell is the smallest part of a material which is formed by a well arranged lattice points. Some common types are; face centered, body center, tetragonal, cubic etc

Tetragonal unit cell has a square top and base, with rectangular sides. The internal angles are $90^{0}$ each, and consists of molecules, atoms, or ions (lattice points) arranged at each corners of the unit cell.

The crystal as described in the given question is a tetragonal unit cell.

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3 years ago

Describe a method you can use to find the area of the following shape. Provide specific details in your answer, including coordi

insens350 [35]

The area of figure ABCDEF can be computed as the sum of the areas of trapezoid ACDF and triangle ABC, less the area of trangle DEF.
trapezoid ACDF area = (1/2)(AC +DF)·(CD) = (1/2)(8+5)(6) = 39
triangle ABC area = (1/2)(AC)(2) = 8
triangle DEF area = (1/2)(DF)(2) = 5

Area of ABCDEF = (ACDF area) + (ABC area) - (DEF area) = 39 +8 -5 = 42

The actual area of ABCDEF is 42 square units.