Practice 10 SAT Problem-Solving and Data Analysis questions involving ratios, rates, percentages, units, probability, data distributions, scatterplots, sampling, inference, and evaluating statistical claims. Use hints when needed and review the explanation after each answer.
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These 10 questions practice ratios, rates, unit conversion, percentages, probability, measures of center and spread, scatterplots, random sampling, inference, and evaluating statistical claims. The emphasis is on interpreting what a number means in context, not merely computing it.
A 5:2 flour-to-sugar ratio becomes easier once the sugar scale factor is known.
Fuel problems are often shortest when converted to miles per gallon first.
For a price increase from $80 to $94, the $14 change is compared with $80, not $94.
With 15 marbles total and 4 green, there are 11 outcomes that are not green.
The median is less affected by a very large observation than the mean.
If two groups have the same mean, the larger standard deviation indicates greater spread around that mean.
A strong negative association means that larger x-values tend to occur with smaller y-values. It does not mean x necessarily causes y to decrease.
Students who report more sleep also tend to have higher test scores. This describes an association.
More sleep causes higher test scores. A causal claim needs stronger study design than an observed association.