Describing Multiple Samples 7.SP.A.2 Grade 7 NSCAS Practice Test Questions TOC | Lumos Learning

Describing Multiple Samples 7.SP.A.2 Question & Answer Key Resources Grade 7 Mathematics - Skill Builder + NSCAS Practice

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Harper wants to conduct two surveys at his school, where 1,600 students attend. For the first survey, he wants to find out what types of cell phones the students in his school use. Of those students, he wants to survey them to determine their favorite apps. Which of the following is the best method for selecting a random sample?

Resource: Question

Question Type: Multiple Choice - Single Answer

Standard(s):7.SP.A.2

Standard Description: Use data from a random sample to draw inferences about a population with an unknown characteristic of interest. Generate multiple samples (or simulated samples) of the same size to gauge the variation in estimates or predictions. For example, estimate the mean word length in a book by randomly sampling words from the book; predict the winner of a school election based on randomly sampled survey data. Gauge how far off the estimate or prediction might be.

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