Construct an X-Bar chart.
Day Devic Devic Devic Devic Devic
e 1 e 2 e 3 e 4 e 5
4 20 27 22 27 25
2 44 40 42 43 36
3 28 35 28 30 31
4 43 42 41 39 39
5 42 43 49 47 48
the standard deviation $\sigma$ is _______ (Only round the final answer to 4 decimal
places, in the format of x.xxxx)
No need to provide the plot for the quiz, but in the next question, you will need
to answer a follow up question regarding whether the char is "in conrol" or "out
of control" of this electronic devices scenario.
Based on the X-Bar chart (you do not need to provide the plot for this quiz),
Must choose all the statement(s) that applies if there is more than one.
