Your answers are saved automatically. Question Completion Status: QUESTION 1 Match the following definitions with their description or formula - This quantity measures variability of yi around ybar A. Standard Error This quantity measures variability of ybar around mu B. Standard Deviation This describes the variation between data points This describes the reliability of the sample mean as an estimator for the population mean QUESTION 2 Which is smaller? Standard error Standard deviation It depends on sample size Impossible to determine without seeing the data points QUESTION 3 Resting pulse rate is normally distributed with a mean of 63 bpm and a standard deviation of 4 bpm. Find the probability that a person has a resting pulse more than 61 bpm. Write your answer as 0.XXXX