Based on the following X$-$bar Chart for days $11-20$ of monitoring a bagging process for $10$ ounce bags of Lay's potato chips, is the process in control?

This X$-$bar Chart is for a Bagging Process showing samples $11-20$

Group of answer choices

No$.$ There is a trend of four in a row from samples $15$ to $18.$

No$.$ There are two points in a row near the lower control limit on samples $13$ and $14.$

No$.$ Days $15$ and $20$ go beyond a limit$.$

Yes. There is only natural variation present.