MA.7.DP.1.3 · Data Analysis and Probability

Making Predictions from a Random Sample: Sample FAST Questions

Given categorical data from a random sample, students use proportional relationships to make predictions about a whole population. If 6 of 600 pillows were defective, they scale that rate up to predict roughly 43 defects in a production run of 4,300.

How the FAST tests this benchmark

FAST items are word problems answered in the equation editor, asking for an approximate count or an approximate percentage. Answers are predictions rather than exact counts, so items typically expect a rounded whole number.

Skills students need

Find the rate of an outcome within a random sample
Scale a sample rate up to a population prediction
Predict a count or a percentage for a population
Judge whether a sample supports a prediction about the population

Try 6 real MA.7.DP.1.3 questions

These come straight from Algebro's 7th grade question bank, easiest first. Answer one, check it, then move to the next.

Question 1 of 6

Answer it and Algebro checks it instantly

Question 1EasyMultiple Choice

A random sample of

60

students was surveyed, and

15

chose chocolate. Out of

1{,}000

students in the school, predict how many would choose chocolate.

Showcase extra: the real practice and quiz players do not have this button.

Question 4MediumMatching

Each row gives a random-sample result and a population total. Match each row to the predicted population count.

Pick one match in each row, then check.

	$200$	$280$	$350$	$450$
$15$ of $60$ sampled; population $800$
$9$ of $30$ sampled; population $1{,}500$
$14$ of $40$ sampled; population $1{,}000$
$8$ of $20$ sampled; population $700$

Showcase extra: the real practice and quiz players do not have this button.

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More 7th grade data and probability benchmarks

MA.7.DP.1.4

Constructing and Interpreting Circle Graphs

MA.7.DP.1.5

Choosing an Appropriate Graph for a Data Set

MA.7.DP.2.1

Sample Space for a Simple Experiment