MA.7.DP.1.2 · Data Analysis and Probability
Given two numerical or graphical representations of data, students use measures of center and variability to make comparisons, interpret results, and draw conclusions about the two populations. Displays are limited to histograms, line plots, box plots, and stem-and-leaf plots.
On the FAST, students read two displays side by side and answer multiple choice items about which group scored higher typically or which group was more consistent. The trap is answering with a center when the question asked about spread, or the reverse.
These come straight from Algebro's 7th grade question bank, easiest first. Answer one, check it, then move to the next.
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Showcase extra: the real practice and quiz players do not have this button.
Correct answer: B. City B's median is higher than City A's median
Select every answer that applies, then check.
Showcase extra: the real practice and quiz players do not have this button.
Correct answer: A, B, C (highlighted above)
Pick one match in each row, then check.
| Skewed right | Skewed left | Uniform | Symmetric | |
|---|---|---|---|---|
| Dots evenly tapered from a tall middle | ||||
| Dots heaviest on the left with a tail trailing right | ||||
| Dots heaviest on the right with a tail trailing left | ||||
| Dots roughly equal at every value, a flat plot |
Showcase extra: the real practice and quiz players do not have this button.
Correct answer: shown by the green boxes above
Showcase extra: the real practice and quiz players do not have this button.
Correct answer: D. centered similarly, has a wider IQR
Showcase extra: the real practice and quiz players do not have this button.
Correct answer: B. Shop B's customers are older on average than Shop A's and are spread across a wider age range
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