7th grade Math Guide

Statistics and P robability

Cor e Guide

Grad e 7

Us e random s ampling to dr aw in ferences abo ut a po pulatio n ( 7.SP.1-2) Standard 7.SP.2: Us e data from a random sampl e to draw inferences about a population wit h an unknown characteristic of interest . Generate multip le s ampl es ( or s imulat ed s amples) o f the s am e size t o g aug e t he v ariatio n in es timat es o r pr edictions . Fo r ex ample , est imat e t he mean word len gth in a b ook b y r andomly sa mpling w ords f rom th e b ook; predict t h e w inn er of a sc hoo l el ection b ased o n ra ndomly sa mpled su rvey data . Gaug e h ow f a r o ff t h e est imat e o r p rediction m ight b e. Concepts and S kills t o M aster • Us e a sampl e to make an inferenc e, t hen explor e t he variatio n in estimat es or predictions bas ed o n multip le sampl es from t he same data. • M ake in ferenc es a bout a po pulatio n b as ed o n m ultip le s amples.

Relat ed S tandards: C urrent C ourse

Relat ed S tandards: F utur e Courses

7.RP.1 , 7.RP.2 , 7.RP.3 , 7.SP.1 , 7.SP.3 , 7.SP.4

III.S.ID.4 , III.S.IC.1 , III.S.IC.3 , III.S.IC.4 , III.S.IC.6 , AP S tatistics

Suppor t f or Teachers Critical Bac kgroun d Kno wledge

• Summariz e quantitative dat a us ing qu antitat ive measures o f c enter and v ariabilit y ( 6.SP.5) • Understan d t hat r andom sampling t ends t o pr oduc e representat ive sampl es ( 7.SP.1) Academic Voc abulary Inferenc e, vali d, s ampl e, random s ampl e, representat ive sampl e, population Resources Curriculum R esources: http://www.uen.org/core/core.do?courseNum=5170#71330

7.SP.2

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