How do his students compare to the national sample

Reference no: EM131852570

A ninth-grade science teacher gives a standard achievement test to his class and finds that X 90 with SX 8. For a national sample of ninth graders, X 75 with SX 14.

(a) How do his students compare to the national sample?

(b) What do the data suggest for teaching science to this class?

Reference no: EM131852570

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