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Drawing 3 sigma X-bar chart and R chart with given values.

What control chart(s) would you use for this data and what are the final control limits?

Observation   1         2         3         4         5         6         7         8         9         10

x1                22      20.5     20       21      22.5     23       19      21.5     21       21.5

x2               22.5    22.5    20.5     22      19.5    23.5     20      20.5    22.5      23

x3               22.5    22.5     23       22      22.5     21       22       19       20        25

x4                24       23       22       23      22.0     22      20.5    19.5     22        23

x5               23.5    21.5    21.5     22      21.0     20      22.5    19.5     22       18.5

Statistics and Probability, Statistics

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