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Suppose instead the data from problem 1 and 4 were taken on the same process, thus the data are no longer independent. You may use only the rst 6 observations in the second collection of data, the two sets of data are written here for clarity. What is the value of the test statistic with = 0:05 assuming the process means are the same?
1 2 3
4 5 10
1 1 1
1 2 0
a. 2.1881
b. 1.4241
c. 3.9531
d. 1.4142
e. The correct answer is not listed here
the depot is using a standard of 635 hours for a particular modification effort. you are to review the standard and
According to Chebyshev's theorem, proportion of values from data set that is further than 2 standard deviations from the mean is at most?
if we know that the length of time it takes an mba student to find a parking spot near the depaul center follows a
create a binomial distribution. compute the n at 10 100 1000 and
Suppose the probability of the worst-case scenario increases Compute the expected value of perfect information
consider a random sample of size n from a bernoulli distribution xi bin1p. for a uniform prior density p unif01 and
The Ministry of Environment, Science and Technology has one of its administrative centers located out of town and the majority of employees drive to work. As part of the Ministry’s ‘green’ policy
The Statistical Abstract of the United States published by the US Census Bureau reports that the average annual consumption of fresh fruit per person is 99.9 pounds.
Determine the sample size necessary under the following conditions. To estimate with = 44, E = 3, and 95% confidence. To estimate with a range of values from 20 to 88 with E = 2 and 90% confidence.
suppose that for a certain caribbean island in any 3-year period the probability of a major hurricane is .25 the
What is their maximum error of the estimated mean quality for a 92% level of confidence and an estimated standard deviation of 8?
question in a survey conducted by ipsos-reid in august 2009 63 percent of the 1000 canadians surveyed said that they
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