An apartment owner believes that more of her poolside apartments are leased by single occupants than by those who share an apartment. The data in Table 12.16 were collected from current occupants. Do...

An apartment owner believes that more of her poolside apartments are leased by single occupants than by those who share an apartment. The data in Table 12.16 were collected from current occupants. Do the data support her hypothesis?

Use the data on tree diameters given in Table 1.7 to test whether the underlying distribution is normal. Estimate the mean and variance from the data. Combine intervals to avoid small cell frequencies if necessary