Blood phosphate. The level of various substances in the blood influences ourhealth. Here
Chapter 0, Problem 2.9(choose chapter or problem)
Blood phosphate. The level of various substances in the blood influences ourhealth. Here are measurements of the level of phosphate in the blood of a patient,in milligrams of phosphate per deciliter of blood, made on 6 consecutive visits toa clinic:5.6 5.2 4.6 4.9 5.7 6.4A graph of only 6 observations gives little information, so we proceed to computethe mean and standard deviation.(a) Find the mean step-by-step. That is, find the sum of the 6 observations anddivide by 6.(b) Find the standard deviation step-by-step. That is, find the deviations of eachobservation from the mean, square the deviations, then obtain the variance andthe standard deviation. Example 2.7 shows the method.(c) Now enter the data into your calculator and use the mean and standarddeviation buttons to obtain x and s. Do the results agree with your handcalculations?
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