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Step 1 state your hypothesis 2 determine a and which tail3 calculate z4 Compare the calculated z score with critical z scores5. Decision l- reject

Step 1 state your hypothesis 2 determine a and which tail3 calculate z4 Compare the calculated z score with critical z scores5. Decision l- reject or fail to reject H06. Conclusion

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5. Boys of a certain age have a mean weight of 90 lb. A complaint is made that in a municipal children's home the boys are underfed. As one bit of evidence, all 50 boys of the given age are weighed and found to have a mean of 82 lb. if it is known in advance that the population standard deviation for weights of boys this age is 12 lb, what would you conclude regarding the complaint? Use (1: 0.05. Please write ouall the needed steps as shown in the book and PPT (step 1-6). (15 points}

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