Unit 12-15 Review

Front

What is correlation in statistics?

Back

Correlation is a statistical measure that describes the extent to which two variables change together. It can be positive, negative, or no correlation.

Front

What is the formula for calculating the circumference of a circle?

Back

Circumference = π × Diameter.

Front

What is a parallelogram?

Back

A parallelogram is a four-sided figure (quadrilateral) with opposite sides that are parallel and equal in length.

Front

What does a skewed right histogram indicate?

Back

A skewed right histogram indicates that the majority of the data points are concentrated on the left side, with a tail extending to the right.

Front

How do you find the measure of a missing angle in a triangle?

Back

To find the missing angle in a triangle, subtract the sum of the known angles from 180 degrees.

Front

What is the relationship between diameter and radius?

Back

The diameter of a circle is twice the length of the radius (Diameter = 2 × Radius).

Front

What is the definition of a negative correlation?

Back

A negative correlation indicates that as one variable increases, the other variable tends to decrease.

Front

What is the definition of a positive correlation?

Back

A positive correlation indicates that as one variable increases, the other variable also tends to increase.

Front

What is the sum of the interior angles of a quadrilateral?

Back

The sum of the interior angles of a quadrilateral is 360 degrees.

Front

What is the formula for the area of a parallelogram?

Back

Area = Base × Height.