Question: Calculate the mean, SD and 95% Confidence Level limits for hemoglobin control level 1 Fill out the chart? June 2006 Control #1 Data for Hemoglobin

Calculate the mean, SD and 95% Confidence Level limits for hemoglobin control level 1 Fill out the chart?

June 2006 Control #1 Data for Hemoglobin Control #1 Mean Variance Standard Day (9/dL) (Exi) (Variance)2 (x-mean) E(Variance) Dev. 13.1 13.9 OWN A 12.9 13.5 13.7 6 13.9 14.0 CO 13.5 13.6 10 12.8 11 13.1 12 13.0 13 13.4 14 13.7 15 13.8 16 13.2 17 13.0 18 13.8 19 14.0 20 13.6 Sum=(Ex;) = mean = (Exi)= 269.5/20= (9/d) E(Variance)? = s.d.= V [ (variance) /(n-1)] = (g/d) The 95% Confidence Level/Limits for June Hemoglobin Control #1 = (mean +- 2s.d.) = g/d Prediction: (95% of future Hemoglobin sample results will have values with-in the range of 9/dL)

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