1)Boys of a certain age have a mean weight of 85 pounds. A complaint is made that in a municipal children's home the boys are underfed. As one bit of evidence, 25 of these boys are weighed and found to have a mean weight of 80.94 pounds and a sample standard deviation of 11.6 pounds. Is the complaint legitimate?
1A)Conduct a hypothesis test at a significance level of .05. What is the appropriate critical value?
1B) Conduct a hypothesis test at a significance level of .05. What is the appropriate test statistic?
ANSWERS --------------- null, Ho: μ=85 alternate, H1:... View the full answer
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(A) Critical value of t at 0.05 level of significance and (25-1=) 24 degree of freedom is -1.711 (Using... View the full answer