//canvas.pitt.edu/courses/y Question 7 The population mean from resting heart rate in adult populations is 80, with a standard deviation of 20. You are interested in the heart rates in your area and decid to take multiple samples of 50 people to examine this distribution. What is the expected standard deviation of the distribution of samples estimates collected? O 20 O 2.83 O 2.50 O 0.40 Question 8 2 The population mean from resting heart rate in adult populations is 80, with a standard deviation of 20. The following data was collected to examine heart rate in 5 individuals 68, 73, 82, 91, 92 What is the point estimate of mu, the population mean resting heart rate based on this sample? O 80 O 20 O 82 O 81.2