A STAT 200 professor took a sample of 10 midterm exam scores from a class of 30 students . The stue O scores are shown in the table below 95 68 76 1 5 85 70 89 84 67 72 ( 2 ) What is the sample mean ? ( b ) What is the sample standard deviation ? ( Round your answer to two decimal places ) ( C ) If you leveraged technology to get the answers for part ( a ) and or part ( 6 ) what technology did you use ? If an online applet was used please list the URL and describe the steps . If a calculator or Excel was used please write out the function