. A large population has a mean of 27 and a standard deviation of 3.2. A sample of size 50 is taken from the population. The sample mean is 26.6 and the sample standard deviation is 3.5. The values of the population mean and standard deviation are called, while the sample mean and sample standard deviation are called ? Cause and effect can sometimes be established in a , but generally not in an . Explain.

(05.02)a farmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. a parallelogram with a height of 6 yards and side length 9 yards. the height forms a triangle with the slanted side of the rhombus with a base of 2.5 yards. rhombus is split into a soy half and a corn half. each bag of soil covers 40 square yards. how many bags should the farmer purchase?