A quality analyst wants to construct a sample mean chart for controlling a packaging process.He knows from past experience that the process standard deviation is two ounces.Each day last week,he randomly selected four packages and weighed each.The data from that activity appears below. 
(a)Calculate all sample means and the mean of all sample means.
(b)Calculate upper and lower control limits that allow for natural variations.
(c)Is this process in control?
Definitions:
Imprinting
A rapid learning process occurring early in the life of certain animals, leading them to recognize a specific stimulus (often a parent) as an object of trust and focus.
Responsive And Sensitive
Being responsive and sensitive involves reacting quickly and appropriately to stimuli or emotional cues, showing an acute awareness of the feelings and needs of others.
Negative Emotions
Feelings that are generally considered to be distressing and unpleasant, such as sadness, anger, and fear.
Treat
A reward or gift, often given to positively reinforce behavior or as part of training.
Q24: Which of the following approach to capacity
Q31: List and briefly describe each of the
Q38: Datum refers to<br>A)multiple observations.<br>B)the consistency of a
Q38: Which of the following is the prescribed
Q61: Describe the difference between reliability and validity.
Q72: How a company manages your data and
Q79: From a portion of a probability distribution,you
Q81: The _ conflict handling style is uncooperative
Q111: Mistakes stemming from workers' inadequate training represent
Q139: _ is the third phase of the