Does accepting 'Let's assume that the store's demand for the size-8 Levi's jeans last week can be described by the distribution in Figure 6.1.' as true logically compel one to accept 'The distribution in Figure 6.1 shows the demand last week for Levi's jeans in a size 8.'
Let's assume that the store's demand for the size-8 Levi's jeans last week can be described by the distribution in Figure 6.1.###The distribution in Figure 6.1 shows the demand last week for Levi's jeans in a size 8.