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The normal serum hemocrit level is 0.41 milligrams to 100 milligrams of blood. The level in elderly patients is significantly low at 0.31.
25 patients out of 100 are normal levels. The standard deviation is 0.6. A medication that is designed to increase the hemocritis taken in 100 patients for one month. A testing is found that 45 patients have a mean average of 0.38 milligrams. As 0.1% does the medication increase the hemocrit levels?
A. States the null and alternative hypothesis
B. Define the statistic test
C. Develop the decision rul.
D. Compute the test statistic.
E. State the conclusion.
Conduct a study to examine the relationship between party affiliation and gender. You find the following:
Find the mean, median, mode, variance, standard deviation, frequency table, cumulative frequency table, coefficient of variation, and mean deviation of the population.
The election is one week away. You think you have the election sewn up, but the seem appears to be unraveling. You run a poll, draw a random sample of 500 adults.
Data is given in the table below. Process data as illustrate in the paper on the Mann-Whitney U test. Critical Value:Test Statistic (Show procedure.)Z .
Is there sufficient evidence for one to claim that in general, rugby players have a higher BMI than the multisport men? Perform the test at the 0.01 level of significance.
What is the probability that the first card dealt is an ace of spade?
According to accountemps inc. 48% of all executives believe that employees are most productive on Tuesdays. a random sample of 200 executives is taken for a study.
Find the probability density function of U + V. Let P = 2U + 3V and Q = 2U - 3V. Given that the variances of U and V are 1/4 and 1/9 respectively, show that P and Q are uncorrelated.
If 3 different factor levels show a lot of variation between levels this implies:
What is the probability that a randomly selected fertilized egg hatches in less than 19 days? (Round to four decimal places as needed).
The Dean is hanging his head in shame. He realizes his failings in designing an adequate research design to assess the effects of the move on majors and has revised the proposal.
Briefly explain how the standard deviation influences outcome of hypothesis test. How does σ influence measures of effect size?
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