a Compute the population standard deviation a 9 6 beats per minute Round to one decimal place as needed b Determine the sample standard deviation of the following three simple random samples of size 3 Sample 1 Janette Kathy Perpectual Sample 2 Clarice Tammy Janette Sample 3 Jeff Perpectual Crystal The sample standard deviation s of sample 1 Janette Kathy Perpectual is beats per minute Round to one decimal place as needed Student Pluse Rates Student Perpectual Bempah Megan Brooks Jeff Honeycutt Clarice Jefferson Crystal Kurtenbach Janette Lantka