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Head Start is a program for preschool children from educationally disadvantaged environments. Head Start began in 1964, and the data that follow are representative of early research on the effects of the program.

A group of children participated in the program and then enrolled in first grade. They took an IQ test, the national norm of which was 100. Perform a t test on the data. Begin your work by stating the null hypothesis and end by writing a conclusion about the effects of the program.

ΣX = 5250
ΣX² = 560,854
N = 50

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Category:- Statistics and Probability
Reference No.:- M92193940

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