The degenerative disease osteoarthritis most frequently affects weight-bearing joints such as the knee .A study was conducted and the following summary data on stance duration (ms) for samples of both

older and younger adults, Carry out a test of hypotheses at significance level 0.05 to decide whether true average stance duration is larger among elderly individuals than among younger individuals. State Claim to be tested. Clearly state the Null Hypothesis (Clarify all notations) Clearly state the Alternative Hypothesis (Clarify all ntations) State the Significance Level. Manually Compute the Study's Test Statistic (Show all work) Find the Critical Test Statistic (Show all work)

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