A class answered the statistical question "How many pages did you read this week?" The answers were . How many students answered ?
Count how many times appears in the list: it appears times, so students answered .
Statistical questions and distributions is a grade 6 math skill aligned to Common Core standard 6.SP.A.1: recognize a statistical question as one that anticipates variability in the data related to the question and accounts for it in the answers. Below are 8 practice questions with answers and step-by-step explanations, drawn from the 21 statistical questions and distributions problems our math games drill.
A class answered the statistical question "How many pages did you read this week?" The answers were . How many students answered ?
Count how many times appears in the list: it appears times, so students answered .
Is this a statistical question (one that anticipates variability in the data)? "How old are the students in my class?"
It is a statistical question because it anticipates variability in the answers.
Every member of a club answered the same statistical question. The recorded data values are . How many data values are in the data set?
Count every value in the list, including repeats: is values.
Is this a statistical question (one that anticipates variability in the data)? "How old am I?"
It is not statistical: it has a single answer with no variability.
Students answered the statistical question "How many books did you read this summer?" The data are . What is the range of the data?
Range is the greatest value minus the least value: .
Is this a statistical question (one that anticipates variability in the data)? "How tall are the trees in the park?"
It is a statistical question because it anticipates variability in the answers.
The statistical question "How many minutes is your ride to school?" produced the data . What is the range of the data?
Range is the greatest value minus the least value: .
Is this a statistical question (one that anticipates variability in the data)? "How tall is this specific tree?"
It is not statistical: it has a single answer with no variability.
Questions like these are served inside our head-to-head math games.
The free placement test finds your level, then every match serves statistical questions and distributions questions at exactly the right difficulty.