MCAS Review

What does a box-and-whisker plot represent?

• A box-and-whisker plot shows the average of a dataset.

• A box-and-whisker plot represents the distribution of a dataset, showing the median, quartiles, and outliers.

• A box-and-whisker plot is used to display the frequency of data points.

• A box-and-whisker plot illustrates the relationship between two variables.

How do you find the median from a box-and-whisker plot?

• The median is represented by the line inside the box of the box-and-whisker plot.

• The median is the highest value in the plot.

• The median is the lowest value in the plot.

• The median is the average of the two outer whiskers.

If a square has an area of 33 square feet, what is the approximate length of each side?

• 5 feet

• 5 3/4 feet

• 6 feet

• 4 1/2 feet

What is the slope of a line that is perpendicular to the line y = 5x + 3?

• -1/5

• 5

• 1/5

• 0

What is the relationship between the slopes of two perpendicular lines?

• The slopes are equal to each other.

• The slopes are both positive.

• The slopes are negative reciprocals of each other.

• The slopes add up to one.

What is an estimate?

• A precise calculation of a value.

• An approximate calculation or judgment regarding a value.

• A detailed analysis of data.

• A random guess without any basis.

What does the variable 'm' represent in the equation of a line y = mx + b?

• The y-intercept of the line.

• The slope of the line.

• The x-intercept of the line.

• The length of the line segment.

How do you determine if a point lies on a line represented by an equation?

• Substitute the x-value into the equation and see if the resulting y-value matches.

• Check if the point is within the bounds of the graph.

• Calculate the slope of the line and compare it to the slope of the point.

• Use the distance formula to measure the distance from the point to the line.

What is the definition of a linear equation?

• A linear equation is an equation that makes a straight line when graphed, typically in the form y = mx + b.

• A linear equation is an equation that represents a curve on a graph.

• A linear equation is an equation that has no solutions.

• A linear equation is an equation that can only be solved using calculus.

What is the median number of calories per serving for the breakfast cereals if the median is 125?

• 100

• 125

• 150

• 200