Keystone Review Module 2

Front

What is the range in a set of data?

Back

The range is the difference between the highest and lowest values in a set of data.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

What does it mean for a relation to be a function?

Back

A relation is a function if each input (x-value) corresponds to exactly one output (y-value).

Tags

CCSS.8.F.A.1

Front

What is a line of best fit in a scatter plot?

Back

A line of best fit is a straight line that best represents the data points in a scatter plot, showing the trend of the data.

Tags

CCSS.8.SP.A.2

Front

What is the domain of a relation?

Back

The domain of a relation is the set of all possible input values (x-values) for that relation.

Front

How do you calculate the probability of an event?

Back

Probability is calculated as the number of favorable outcomes divided by the total number of possible outcomes.

Tags

CCSS.7.SP.C.7A

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two variables using dots to represent data points.

Front

What does it mean if a relation is not a function?

Back

A relation is not a function if at least one input (x-value) corresponds to more than one output (y-value).

Tags

CCSS.8.F.A.1

Front

What is the formula for the slope of a line?

Back

The slope (m) of a line is calculated as m = (y2 - y1) / (x2 - x1), where (x1, y1) and (x2, y2) are two points on the line.

Tags

CCSS.8.EE.B.5

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 0.

Front

What is a probability expression?

Back

A probability expression is a mathematical representation used to calculate the likelihood of a specific outcome occurring.