The following data are the final exam scores of the 14 students in a small calculus class. 99 100 82 97 75 83 74 100 78 81 82 73 75 69 Are these population or sample data? Select an answer What is the range for this data set? 31 What is the variance for this data set? Round your answer to three decimal places, if necessary. What is the standard deviation for this data set? Round your answer to three decimal places, if necessary.