NC Math 1 EOC Review Non-Calculator (2nd Assignment)

Front

What happens to the mean when a new value greater than the current mean is added to a data set?

Back

The mean increases.

Front

What is the sum of three consecutive odd integers if the sum is 18 less than five times the middle number?

Back

The sum of the first two numbers is 16.

Front

What is the slope-intercept form of a line?

Back

The slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.

Front

How do you represent a situation with two people earning different amounts in a system of equations?

Back

You can use variables to represent each person's earnings and create equations based on their relationships.

Front

What is the formula to find the slope between two points (x1, y1) and (x2, y2)?

Back

The slope m = (y2 - y1) / (x2 - x1).

Front

What does the median of a data set represent?

Back

The median is the middle value when the data set is ordered from least to greatest.

Front

What is the standard deviation a measure of?

Back

Standard deviation measures the amount of variation or dispersion in a set of values.

Front

What is the interquartile range (IQR)?

Back

The IQR is the difference between the first quartile (Q1) and the third quartile (Q3) in a data set.

Front

How do you find the equation of a line given two points?

Back

First, calculate the slope using the two points, then use the point-slope form to find the equation.

Front

What is a system of equations?

Back

A system of equations is a set of two or more equations with the same variables.