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Almost two-thirds of iron in the body is found in hemoglobin, the protein in the red blood cells that carries oxygen to the tissues. Iron deficiency could lead to anemia, a condition characterized by less than the normal quantity of hemoglobin in the blood. The following data gives the hemoglobin values for 7 female patients at risk for anemia, before and after they followed a 3-month dietary iron intake program: Before After 11.4 12.3 12.5 13.6 10.6 13.7 9.7 10.3 12.5 14.3 12.8 13.9 11.7 12.8
a) Was the program efficient in increasing the hemogloblin level? Justify your answer using a test of hypothesis for H0: mu1= mu2 against H1: mu1< mu2 , where mu1 and mu2 are the average hemoglobin levels before and after the program, respectively. Use the level alpha=0.01
b) What is the conclusion of a test of level alpha=0.01, if we assume (incorreclty) that the hemoglobin level after the program is independent of the hemoglobin level before the program? Assume that the two populations are normally distributed with equal variances.
A specific brand of bike comes in two frames, for males or females. Each frame comes in a choice of two colors, red and blue, and with a choice of three seats, soft, medium, and hard.
If life of wild pheasants follows a normal distribution with a mean of 9 months and a variance of 9, what percent of the population will be less than 11 months of age.
Discuss some of the problems facing the long term care industry today. What are some possible solutions for these problems?
Downs and Abwender (2002) evaluated soccer players and swimmers to determine whether the routine blows to the head experienced by soccer players produced long-term neurological deficits.
Develop the objective function
Use the given date to find the minimum sample size required to estimate a population proportion and populat mean. Margin of error: 0.004, confidence level, 90%, sample proportion (p) : = 0.45
question the monthly sales of mufflers follow the normal distribution with a mean of 1200 and a standard deviation of
a particular investment fund is comprised of more than 1000 companies world-wide that are considered to be socially
the diameter of an electric cable is normally distributed with a mean of 0.8 inch and a standard deviation of 0.01
some parents of the west bay little leaguers think that they are noticing a pattern. there seems to be a relationship
Normally distributed with an average of 125 minutes and a standard deviation of 18 minutes. What is the probability that a student taking this test will finish in 100 minutes or less?
Draw a simulation experiment for car agency and simulate using fleet of four rental cars for 10 days.
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