Six groups of three children matched for IQ and age were
Chapter 15, Problem 72SE(choose chapter or problem)
Six groups of three children matched for IQ and age were formed. Each child was taught the
concept of time by using one of three methods: lecture, demonstration, or teaching machine.
The scores shown in the following table indicate the students’ performance when they were
tested on how well they had grasped the concept. Is there sufficient evidence to indicate that
the teaching methods differ in effectiveness? Give bounds for the p-value.
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