Question

I am absolutely clueless. please help

ngs 1. Use the attached graph paper to create a Levy-Jennings chart for Glucose. The mean for control 1 is 100 mg/dl, with a standard deviation of 3 mg/dl. 2. Draw a Levy Jennings for glucose control 2. The mean is 250 mg/dl, with a standard deviation of 3. 3. These control ranges are good choices for serum glucose. Why? 4. Which level of control shows the better precision? 5. Draw a series of dots on days 1-5 showing "in-control" results. 6. Over the next 5 days, the refrigerator temperature increased to 15°C, and the reagents deteriorated. Draw points to depict what might happen. Highlight them in yellow. What type of change is this? 7. A new reagent arrives to replace the damaged stuff. The next 5 days gave these results: Control 1: 105, 106, 102, 101, 105 Control 2: 251, 255, 256, 253, 252 Plot these results and highlight them in pink/red. What is this phenomenon called? How is it different from #6?Name something that could cause it. 8. On Day 26, draw a point that violates a 1-2s rule. Circle it in blue. How often would you expect this type of result if your system is working?

Answer 1

Levey Jennings Stnd Dev 219 UCL 214.8 214 209 3 Stnd Dev 204 199.3 199 194 189 unstable points and trends turned red LCL 183.7 184 179 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 Period Control Limits based on percent Levey Jennings: 10-20-30% 280 UCL 259.0 260 240 30 % 220 200 0 180 160 LCL 139.5 140 120 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 Period