A sample of ten (10) packages was taken from the output of a packaging machine. Following are the masses of the packages, to the nearest gram. 44 g, 45, 44g, 48g, 43g, 47 9, 44 9, 45,9 ,469 , 46 g [You may use the following summaries: _ x =452 _ x2=20452] What is the sample standard deviation? O a. 1.36 g O b. 1.41 g O c. 1.55 g O d. 1.40 g The table below shows the scores on a Social Studies pop quiz. Score Number of Students 1 - 5 6 - 10 9 11 - 15 X 16 - 20 W 21 - 25 2 Total 25 The median class is: O a. 1 -5 O b. 6 - 10 O c. 16 - 20 O d. 11 -15