Algebra 2 · Statistics

Virginia SOL A2.ST.2

Virginia SOL A2.ST.2 is part of the Statistics strand in Algebra 2 (Math). Under this Standards of Learning objective, students apply the data cycle with a focus on representing bivariate data in scatterplots and determining the curve of best fit. Below is what A2.ST.2 covers in plain language, the specific skills it is assessed on, the key concepts to review, and how to practice A2.ST.2 for the Virginia SOL test.

Practice A2.ST.2 All Algebra 2 standards

What SOL A2.ST.2 means

Apply the data cycle with a focus on representing bivariate data in scatterplots and determining the curve of best fit.

Practice Algebra 2 SOL questions

Free Algebra 2 questions from official Virginia Department of Education released SOL tests — good practice while you work on A2.ST.2 and the rest of the course. Pick an answer to check it instantly, or open “Show answer” to review.

1. The height of an object when projected upward can be described by the equation (h=270t-4.9t^2). The relationship between the height of the object and the elapsed time is —
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Answer: C — a quadratic function
2. These are the first three terms of an arithmetic sequence: ( 12, 34,1). What are the fourth and fifth terms of the sequence?
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Answer: B — ( 54, 74)
3. If (f(x)=x^5) and (g(x)=-2-3x^2), which is (f(g(x)))?
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Answer: A — ((-2-3x^2)^5)
4. Which equation represents the statement “(z) varies directly with (x) and inversely with (y)”?
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Answer: C — (z=(kx)/(y))

→ Take the full free Algebra 2 SOL practice test

Skills you’ll practice for A2.ST.2

Formulate investigative questions requiring the collection or acquisition of bivariate data.
Collect or acquire bivariate data through research, surveys, observations, experiments, polls, or questionnaires.
Represent bivariate data with a scatterplot using technology.
Determine whether the relationship between two quantitative variables is best approximated by a linear, quadratic, exponential, or combination of these functions.
Determine the equation(s) of the function(s) that best models the relationship between two variables using technology.
Use the correlation coefficient to designate the goodness of fit of a linear function.
Make predictions, decisions, and critical judgments using data, scatterplots, or the equation(s) of the mathematical model.
Evaluate the reasonableness of a mathematical model of a contextual situation.

Key concepts covered by A2.ST.2

investigative questions
bivariate data
data collection
research
surveys
scatterplot
technology
relationship approximation
linear
quadratic
exponential
curve of best fit
modeling
correlation coefficient
goodness of fit
linear function
predictions
decisions
mathematical model
model evaluation
contextual situation

How to study and practice SOL A2.ST.2

Start with a quick diagnostic to see whether A2.ST.2 is already solid, then work each skill above with guided notes, flashcards, and SOL-style practice questions. For official released items, see our Virginia SOL practice tests guide and how to study for the SOL test.

→ Take the free Algebra 2 SOL practice test

A2.ST.1 — Apply the data cycle with a focus on univariate quantitative data represented by a smooth curve, including a normal curve.
A2.ST.3 — Compute and distinguish between permutations and combinations.

Frequently asked questions about SOL A2.ST.2

What is Virginia SOL A2.ST.2?

SOL A2.ST.2 is a Algebra 2 Standard of Learning in the Statistics strand. It expects students to apply the data cycle with a focus on representing bivariate data in scatterplots and determining the curve of best fit.

What skills does SOL A2.ST.2 cover?

SOL A2.ST.2 is assessed on 8 skills: formulate investigative questions requiring the collection or acquisition of bivariate data; collect or acquire bivariate data through research, surveys, observations, experiments, polls, or questionnaires; represent bivariate data with a scatterplot using technology; determine whether the relationship between two quantitative variables is best approximated by a linear, quadratic, exponential, or combination of these functions; determine the equation(s) of the function(s) that best models the relationship between two variables using technology; use the correlation coefficient to designate the goodness of fit of a linear function; make predictions, decisions, and critical judgments using data, scatterplots, or the equation(s) of the mathematical model; evaluate the reasonableness of a mathematical model of a contextual situation.

What strand of Algebra 2 is SOL A2.ST.2 in?

SOL A2.ST.2 belongs to the Statistics reporting strand of the Algebra 2 Virginia Standards of Learning.

How do I study and practice for SOL A2.ST.2?

Start with a diagnostic to see whether A2.ST.2 is already solid, then work the 8 skills above with guided notes, flashcards, and SOL-style practice questions. For official released items, see the Virginia SOL practice tests guide.