A Machine That Is Supposed to Fill Small Bottles to Contain

question 45

Multiple Choice

A machine that is supposed to fill small bottles to contain 20 milliliters yields the following data from a test of 4 bottles every hour. What would be the centerline for a control chart for $\overline { \mathrm { X } }$
?

• A) 19.935 milliliters
• B) 0.380 milliliters
• C) 20.000 milliliters
• D) 20.212 milliliters

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