Older Younger both stance duration distributions are normal. USE SALT 808 790 17 Calculate a 99% CI for true average stance duration among elderly individuals. (Round your answers to one decimal place.) ]) ms -H₁¹ H₁-H₂=0 H₂H₁ H₂ 20 Hỏi tim khô H₂: H₁-H₂> 0 118 74 rpret your 99% CI. With 99% confidence, we can say that the true average stance duration among elderly individuals falls above the upper bound. With 99% confidence, we can say that the true average stance duration among elderly individuals falls between these values. With 99% confidence, we can say that the true average stance duration among elderly individuals falls outside these values. With 99% confidence, we can say that the true average stance duration among elderly individuals falls below the lower bound. ної на-H2=0 H₂H₁-H₂0 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. (Use μ, for elderly individuals and 2 for younger individuals.) e the relevant hypotheses. Ho: M₁ M₂=0 H₂: H₁-H₂

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