It is known that 1 year old dogs have a mean gain in weight of1.0 pound per month with a standard deviation of 0.40 pound. Aspecial diet supplement, Helthpup, is given to a rando sample of36, 1-year-old dogs for a month; their mean gain in weight is 2.15pounds. At the 0.01 level of significance, does helthpup affectweight gain in 1-year-old dogs? (a) What is the research problem?(b) State null and alternative hypothesis (c) Is this one or twotail test? why? (d) what is the critical value? (e) what is thedecision rule? (f) calculate the statistic (g) what is yourdecision regarding null hypothesis and why? (h)interpretation ofthe results?
