Children of a certain age in the nation have an average weight of 85 with a variance of 98.01 Ib. A complaint is made that children are underfed fed in a boarding school. As evidence, a sample of 25...

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Extracted text: Children of a certain age in the nation have an average weight of 85 with a variance of 98.01 Ib. A complaint is made that children are underfed fed in a boarding school. As evidence, a sample of 25 children of the given age is taken from the boarding school with an average weight of 90.13 Ib. What can be concluded with a = 0.01? a) What is the appropriate test statistic? z-test b) Population: children in the nation Sample: children from the boarding school v c) Obtain/compute the appropriate values to make a decision about Ho. Critical Value = 2.33 Decision: Fail to reject HO vx X ; Test Statistic = 2.59 d) If appropriate, compute the CI. If not appropriate, input "na" for both spaces below. [ 85.0216 |× 95.2384 e) Compute the corresponding effect size(s) and indicate magnitude(s). If not appropriate, input and select "na" below. d = 0.52 ; Magnitude: medium effect v 2 =0.0633 X ; Magnitude: small effect Enter a number. f) Make an interpretation based on the results. O The weight of children in the boarding school was significantly higher than the weight of children in the nation. O The weight of children in the boarding school was significantly lower than the weight of children in the nation. O The weight of children in the boarding school was not significantly different than the weight of children in the nation.