February 25, 2017

Homework Help: Math

Posted by Norvin on Friday, June 8, 2012 at 9:04pm.

Reading readiness of preschoolers from an impoverished neighborhood (=20) was measured using a standardized test. Nationally, the mean on thios test for preschoolers is 30.9, with SD = 2.08.
a. children below the 30th percentile (in the bottom 30%) are in need of special assistance prior to attending school. What raw score marks the cut-off score for these children?

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