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STANDARDS

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US-VA

Math

Virginia Math

Algebra 1: Statistics

A.ST.1

The student will apply the data cycle (formulate questions; collect or acquire data; organize and represent data; and analyze data and communicate results) with a focus on representing bivariate data in scatterplots and determining the curve of best fit using linear and quadratic functions.

A.ST.1.a

Formulate investigative questions that require the collection or acquisition of bivariate data.
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A.ST.1.b

Determine what variables could be used to explain a given contextual problem or situation or answer investigative questions.
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A.ST.1.c

Determine an appropriate method to collect a representative sample, which could include a simple random sample, to answer an investigative question.
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A.ST.1.d

Given a table of ordered pairs or a scatterplot representing no more than 30 data points, use available technology to determine whether a linear or quadratic function would represent the relationship, and if so, determine the equation of the curve of best fit.
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A.ST.1.e

Use linear and quadratic regression methods available through technology to write a linear or quadratic function that represents the data where appropriate and describe the strengths and weaknesses of the model.
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A.ST.1.f

Use a linear model to predict outcomes and evaluate the strength and validity of these predictions, including through the use of technology.
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A.ST.1.g

Investigate and explain the meaning of the rate of change (slope) and 𝑦-intercept (constant term) of a linear model in context.
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A.ST.1.h

Analyze relationships between two quantitative variables revealed in a scatterplot.
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A.ST.1.i

Make conclusions based on the analysis of a set of bivariate data and communicate the results.
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