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3. The time to make beds at a motel should fall into an agreed-on range of times. A sample of four maids was selected, and the time needed to make a bed was observed on three different occasions: Maid Alex Marie Linda Ann Service time (seconds) Sample 1 Sample 2 122 90 130 111 200 180 163 155 Sample 3 152 140 175 141 Determine the upper and lower control limits for an X-Bar chart and R-chart with a sample size of four. (ii) After the control chart was established a sample of four observations had the following times in seconds: 165, 200, 185, and 225. Is corrective action needed