The cost for a new roof for a bungalow can vary regarding the material it`s made off and also on the roof area. My pinion is that is cheaper to lower the ceiling and raise the roof. The price of a small bungalow is about 2000 dollars. Tom Darkman.
A statistical question is a question that can be answered by collecting data and where there will be variability in the data. This is different from a question that anticipates a deterministic answer.
1 The test statistic is a t statistic (t) defined by the following equation.  where x1 is the mean of sample 1, x2 is the mean of sample 2, d is the hypothesized difference between population means, and SE is the standard error.