Kortholts that fail to meet certain precise specifications must be reworked on the next day until they are within the desired specifications.A sample of one day's output of kortholts from the Melodic Kortholt Company showed the frequencies shown below. 
Find the chi-square test statistic for a hypothesis of independence.
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Scholastic Competence
The ability or effectiveness of an individual in academic skills and tasks, often evaluated through grades and academic achievement.
Perspective Taking
The cognitive capacity to consider the world from another individual's viewpoint.
Robert Selman
A psychologist known for his work on the development of social cognition and interpersonal understanding in children.
Erik Erikson
A developmental psychologist and psychoanalyst known for his theory on the psychosocial development of human beings, which outlines eight stages from infancy to adulthood with distinct challenges and tasks.
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