A college registrar has been asked to prepare a report about the graduate students. Among other things, she wants to analyze the ages of the students. She has taken a sample of ten graduate students and has found the following ages: Calculate the sample coefficient of variation (COV) of the above data. Write your answer in the box below. Round the answer to the nearest hundredth. Question 10 0/3p Given the following data: Calculate the z-score corresponding to x=133. Write your answer in the box below. Round the answer to two decimal places