. 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.

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?

What is the slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is