Algebra 2 · Statistics

Virginia SOL A2.ST.1

Virginia SOL A2.ST.1 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 univariate quantitative data represented by a smooth curve, including a normal curve. Below is what A2.ST.1 covers in plain language, the specific skills it is assessed on, the key concepts to review, and how to practice A2.ST.1 for the Virginia SOL test.

What SOL A2.ST.1 means

Apply the data cycle with a focus on univariate quantitative data represented by a smooth curve, including a normal curve.

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.1 and the rest of the course. Pick an answer to check it instantly, or open “Show answer” to review.

  1. 1. For which of the following sets is multiplication not commutative?

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    Answer: B — Matrices

  2. 2. The graph of (y=3x-2) is translated up 5 units. What is the equation of the new graph?

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    Answer: B — (y=3x+3)

  3. 3. (y=x^2-8x+15). What are the x-intercepts of the graph that represents the equation?

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    Answer: B — ((3,0)) and ((5,0))

  4. 4. If (y) varies jointly with (x) and (z), what is the constant of proportionality when (y=30), (x=4), and (z=5)?

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    Answer: B — ((3)/(2))

→ Take the full free Algebra 2 SOL practice test

Skills you’ll practice for A2.ST.1

  • Formulate investigative questions requiring the collection or acquisition of univariate quantitative data.
  • Collect or acquire univariate data through research, surveys, observations, experiments, polls, or questionnaires.
  • Examine the shape of a data set (skewed versus symmetric) and sketch a smooth curve to model the distribution.
  • Identify the properties of a normal distribution.
  • Describe and interpret a data distribution represented by a smooth curve by analyzing measures of center, spread, and shape.
  • Calculate and interpret the z-score for a value in a data set.
  • Compare two data points from different distributions using z-scores.
  • Determine the relationship between the mean, standard deviation, and z-score of a data set.
  • Apply the Empirical Rule to answer investigative questions.
  • Compare multiple data distributions using measures of center, spread, and shape.

Key concepts covered by A2.ST.1

  • investigative questions
  • univariate data
  • data collection
  • research
  • surveys
  • data shape
  • skewed
  • symmetric
  • smooth curve
  • normal distribution
  • properties
  • data interpretation
  • measures of center
  • measures of spread
  • shape
  • z-score
  • data set
  • interpretation
  • z-score comparison
  • data points
  • distributions
  • mean
  • standard deviation
  • relationship
  • Empirical Rule
  • data comparison

How to study and practice SOL A2.ST.1

Start with a quick diagnostic to see whether A2.ST.1 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.2Apply the data cycle with a focus on representing bivariate data in scatterplots and determining the curve of best fit.
  • A2.ST.3Compute and distinguish between permutations and combinations.

Frequently asked questions about SOL A2.ST.1

What is Virginia SOL A2.ST.1?

SOL A2.ST.1 is a Algebra 2 Standard of Learning in the Statistics strand. It expects students to apply the data cycle with a focus on univariate quantitative data represented by a smooth curve, including a normal curve.

What skills does SOL A2.ST.1 cover?

SOL A2.ST.1 is assessed on 10 skills: formulate investigative questions requiring the collection or acquisition of univariate quantitative data; collect or acquire univariate data through research, surveys, observations, experiments, polls, or questionnaires; examine the shape of a data set (skewed versus symmetric) and sketch a smooth curve to model the distribution; identify the properties of a normal distribution; describe and interpret a data distribution represented by a smooth curve by analyzing measures of center, spread, and shape; calculate and interpret the z-score for a value in a data set; compare two data points from different distributions using z-scores; determine the relationship between the mean, standard deviation, and z-score of a data set; apply the Empirical Rule to answer investigative questions; compare multiple data distributions using measures of center, spread, and shape.

What strand of Algebra 2 is SOL A2.ST.1 in?

SOL A2.ST.1 belongs to the Statistics reporting strand of the Algebra 2 Virginia Standards of Learning.

How do I study and practice for SOL A2.ST.1?

Start with a diagnostic to see whether A2.ST.1 is already solid, then work the 10 skills above with guided notes, flashcards, and SOL-style practice questions. For official released items, see the Virginia SOL practice tests guide.