Problem-Solving and Data Analysis | Scatterplots, Inference and Statistical Claims | Notes and Practice

Lesson Review Available

Review the foundation notes with TTA Pro Mr.O before solving. If this skill drill is part of an anchor lesson, the notes stay available during practice.

Objective: By the end of this lesson you can answer every Digital SAT question on two-variable data, inference and statistical claims at six levels: read a data point or a line-of-best-fit prediction straight off a scatterplot (Level 1); match a drawn line to its equation and turn an estimate plus a margin of error into a range (Level 2); choose the right linear, exponential or quadratic model and state a population conclusion (Level 3); estimate and interpret slopes, count residuals and connect sample size to the margin of error (Level 4); handle broken axes, shifted or scaled data sets, population counts and the random-sampling versus random-assignment trap (Level 5); and finish the hardest multi-step model and claim questions on time, knowing when Desmos helps and when it cannot (Level 6).