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Mathematics, 24.04.2020 04:26 sccovell5601
The level of various substances in the blood of kidney dialysis patients is of concern. Researchers did blood tests on a dialysis patient on six consecutive clinic visits. One variable measured
was the level of phosphate in the blood. The data on this one patient, in milligrams of phosphateper deciliter (mg/dl) of blood, are:
5.6
5.1
4.6
4.8
5.7
6.4
a. The normal range of values for blood phosphate level is 2.6 to 4.8 mg/dl. Is there evidence that the patient's mean level in fact falls above 4.85? (Use 8 step procedure)
b. Given your conclusion, are you at risk of making a Type I error or a Type II error? Provide your answer in the context of the problem.
c. What sample size would you recommend, if it is important to detect and treat the elevated average phosphate level of 5.5(sample mean)?
d. Report a one-sided 95% confidence interval for the mean blood phosphate level.
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The level of various substances in the blood of kidney dialysis patients is of concern. Researchers...
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