The candy produced by a company has a sugar level that is normally distributed with a mean of 16.8 grams and a standard deviation of 0.9 grams. the company takes readings of every 10th bar off the production line. the reading points are 17.3, 14.9, 18.3, 16.5, 16.1, 17.4, 19.4. is the process in control or out of control and why?

a)it is in control as the data points more than 2 standard deviations from the mean are far apartb)it is out of control as the values jump above and below the meanc)it is in control as none of these data points is more than 3 standard deviations from the meand)it is out of control as two of these data points are more than 2 standard deviations from the mean