A social scientist gathers a carefully chosen group of 20 people whom she has selected to represent a broad cross section of the population in New York City. She interviews them in depth for a study she is doing on race relations in the city. Is this a probability sample?

Which is the graph of the function y=2(4)^x

The data in the table represent the height of an object over time. which model best represents the data? height of an object time (seconds) height (feet) 05 1 50 2 70 3 48 quadratic, because the height of the object increases or decreases with a multiplicative rate of change quadratic, because the height increases and then decreases exponential, because the height of the object increases or decreases with a multiplicative rate of change exponential, because the height increases and then decreases

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?