Teacher perceptions of child behavior. Refer to the Developmental Psychology (Mar. 2003) s...

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.

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b. Compare the p -value with α = .10 and make the appropriate conclusion.