4. In a study, 38 ovariectomized rats were randomly allocated to a control, low-dose, medium-dose, or high-dose
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4. In a study, 38 ovariectomized rats were randomly allocated to a control, low-dose, medium-dose, or high-dose group. The groups were fed different amounts of total Isoflavones from Pueraria. One of the outcomes examined was the bone mineral density (g/cm) at the end of the femur. The data are given in Table 9.15.
(a) Examine the assumptions for ANOVA. Perform ANOVA and interpret the results.
(b) Note that there is an order in the treatment levels; can the ANOVA explore the impact of the order (dose–response)? Why?
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