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A University employment office wants to compare the time taken by graduates with 3 different majors to find their first jobs after graduation. The following tables lists the time (in days) taken to find their first full time job after graduation for a random sample of 8 business majors, 7 computer science majors & 6 engineering majors who graduated in May 2005.
Business Computer Engineering Science
36 56 26
62 13 51
35 24 63
80 28 46
27 47 78
48 44 34
76 20
44
At the 5% significance level, can you conclude that the mean time taken to find their first job for all 2005 graduates in these fields is the same?
The probability that student pilot passes the written test for a private pilot's license is 0.7. Find the probability that the student will pass the test: (a) on the third attempt (b) before the fourth attempt.
The following data show the cost of electricity during August 2010 for a random sample of 50 one-bedroom apartments in a large city:
Determine the probability of exactly one success given Poisson distribution with mean of 2.0.
The data in below represent the closing value of the Dow Jones Industrial Average (DJIA) over the 29 year period from 1979 through 2007.
What nonparameiric test can be used to distinguish total heart weight of males with left-heart disease with that of normal males? Write and Implement test and report a p-value.
1st a confidence interval is constructed without utilizing the finite population correction factor.
A university found that 20 percent of its students withdraw without completing the introductory statistics course. 20 students registered for a section of the course this term.
At 0.05 level of significance, is there evidence of noteworthy difference in variation in sales among different aisle locations?
If random samples, each with n = 9 scores, are selected from a normal population with µ = 80 and σ = 36, then what is the expected value for the distribution of sample means?
Two new york designs are under consideration for possible adoption in an assembly plant. A time study is conducted with 10 workers using design 1, and 12 workers using design 2. The means and standard deviation of their assembly times in minutes a..
Test either there is any difference among the given variable also what does the Levene's Test shows. What variable is presented in this table.
As part of their application for a loan to buy Lakeside Farm, a property they hope to develop as a bed-and-breakfast operation, the prospective owners have projected:
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