The mean of a population being sampled is 64, and the standard deviation is 6. if the sample size is 50, the standard error of the mean is (round off your answer to the nearest hundredth)

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.