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1. Repeat the results from the sign test using the normal approximation. Compare the results with those obtained using the exact test.
2. In given Table, weights for two time periods on the same adults and weight loss were evaluated. Note that the tests requested here and in given Problem have smaller than recommended sample sizes to make it simpler to do with a hand calculator.
Table
Problem Perform a Wilcoxon rank sum test on the following data on the length of time that it took to perform two types of operations. For type 1, six patients were operated on in 45,47,50,53,58, and 62 minutes. In the second type of operation it took 51, 56, 60, 63, 64, 69, and 70 minutes. Use the normal approximation.
where T is a time delay and K is the controller proportional gain. The block diagram is illustrated in Figure P10.35. The nominal value of K =2. Plot the phase margin of the system for 0 ≤ T ≤ 2 s when K = 2. What happens to the phase margin as th..
If the average income for workers in Canada (in 2010) is 32,200 CAD and the standard deviation is 47,000 CAD. What does this say about the distribution (of income)? Is it normally distributed? Why or why not? What conclusion can you make from this..
a building is designed to resist loading from earthquakes. the capacity in terms of force factor is assumed to follow a
a researcher conducts an experiment on the iq of twenty-five randomly selected only children and dinds that their
use the binomial function to answer the following questions there is no data set here suppose a shipment of 410
For the equatorial noontime temperature sequence Xn of Problem 10.4.1, a second sequence of averaged temperatures is Wn = [Xn + Xn-1]/2. Is Wn an iid random sequence?
Given that the price-to-earnings ratios are uniformly distributed, answer the following questions. What percent of price-to-earnings ratios are between 1.90 and 2.48?
leroy a starting player for a major college basketball team made only 38.4 of his free throws last season. during the
An economic researcher would like to know whether he can reject the null hypothesis at the 0.10 level, that no more than 20% of the households in Pennsylvania make more than $70,000 per year.
Find all the values of x in the interval [0, 4Π] which satisfy the equation - Find the slope and equation of the line joining A and B.
Consumers reported on average 1.7 problems per vehicle with a popular make and model of a 2006 car. We randomly select a vehicle of the same make, model, and year.
Test the hypothesis that the median percentage of family income spent for food and groceries is 35 against the alternative that it is less than 35. Use α = 0.05.
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