Teacher perceptions of child behavior. Refer to the Developmental Psychology (Mar. 2003) study on the aggressive behavior of elementary school children, presented in Exercise. Recall that you tested H0: μ = 3 againist Ha: μ ≠ 3, where μ is the mean level of aggressiveness for the population of all New York City public school children, as perceived by their teachers and based on the summary statistics and s = 1.05.
a. Compute the p -value of the test.
b. Compare the p -value with α = .10 and make the appropriate conclusion.
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