2018 STAAR (15-28)

Front

What is the mean absolute deviation (MAD)?

Back

The mean absolute deviation (MAD) is a measure of the dispersion of a set of data points. It is calculated by taking the average of the absolute differences between each data point and the mean of the data set.

Front

How do you calculate the mean of a set of numbers?

Back

To calculate the mean, add all the numbers together and then divide by the total count of the numbers.

Front

What is the formula for the slope of a line?

Back

Front

What does a linear relationship mean in mathematics?

Back

A linear relationship means that there is a constant rate of change between two variables, which can be represented by a straight line on a graph.

Front

What is the volume formula for a cylinder?

Back

Front

What is the volume formula for a cone?

Back

Front

How do you order numbers from least to greatest?

Back

To order numbers from least to greatest, compare each number and arrange them in ascending order based on their value.

Front

What is a membership fee in a gym context?

Back

A membership fee is a fixed amount paid to join a gym, which may be required before accessing facilities or classes.

Front

What is the significance of the y-intercept in a linear equation?

Back

The y-intercept is the point where the line crosses the y-axis, representing the value of y when x is zero.

Front

What is the difference between a rational number and an irrational number?

Back

A rational number can be expressed as a fraction of two integers, while an irrational number cannot be expressed as a simple fraction.