EOY 1 Grade Practice Test Questions TOC | Lumos Learning

EOY 1 Question & Answer Key Resources Lumos StepUp - PARCC Online Practice and Assessments - Grade 7 Mathematics

Lumos StepUp - PARCC Online Practice and Assessments - Grade 7 Mathematics EOY 1

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The following table shows the number of students in each grade at a certain high school. In order to draw good conclusions from an experiment, 40 students need to be surveyed from the school. If students are picked proportionally, how many 9th graders need to be surveyed?
Write your answer in the box below.

Resource: Question

Question Type: Numeric Answer

Standard(s):7.SP.A.1

Standard Description: Understand that statistics can be used to gain information about a population by examining a sample of the population; generalizations about a population from a sample are valid only if the sample is representative of that population. Understand that random sampling tends to produce representative samples and support valid inferences.

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