NutraFlakes cereal is to be packaged with a mean of 10 ounces plus or minus 0.1 ounces. Using the data in the table given below, determine the standard deviation of the 20 weights and then determine the Cpk of the process. Time 9 AM 10 AM 11 AM 12 AM 1 PM Standard deviation = (round your response to two decimal places). Box 1 9.8 10.1 9.9 9.7 9.7 Box 2 10.4 10.2 10.5 9.8 10.1 Box 3 9.9 9.9 10.3 10.3 9.9 Box 4 10.3 9.8 10.1 10.2 9.9