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Q1) Create network for aerospace launch project below and determine its critical path.
Activity
TE (weeks)
Preceding Activities
a
3
none
b
5
c
d
1
e
f
4
b, d
g
2
h
g, f
i
e, h
Q2) In criminal justice system for United States an accused person is innocent until proved guilty; hence, a Type II error is
i) Acquitting a criminal
ii) Convicting an innocent person
iii) Having a mistrial
iv) None of the above
Q3) Probability of Type I error
i) Equals significance level, α, of the test
ii) Equals p-value of the test
iii) Can only be computed for hypothetical values of the unknown paramete
Determine the test value? Use α = 0.05. (Use the variances unequal formula).
Develop a linear regression model for these data and forecast carpet sales if 30 construction permits for new homes are filed.
Consider the experiment of rolling a pair of dice. Suppose that we are interested in the sum of the face values showing on the dice.
To findout the point estimate of the difference among population mean. Elucidate the percentage increase in the number of days on the disabled list.
What can we conclude from this summary, Which of the following statements is correct and In which of the following situations would permutation tests be suitable
Iit is known that signal change in this brain area is normally distributed with mean of 35 and standard deviation of 10. By using .01 level, what must researcher conclude?
Answer to a problem based on statistical graphics.Create a c-bar chart and determine if corrective action is needed.
How many subjects must be tested to determine the effectiveness of the product?
If the decision in the hypothesis test of population correlation is to reject the null hypothesis, what can we conclude about the population correlation.
Using multiple linear regression, compute the regression equation for the following data in Excel.
The Wilcoxon signed rank statistic, The mean for the Wilcoxon signed rank test and The P-value for the Wilcoxon signed rank test
Perform a hypothesis test with significance level 5%. Show all work, and clearly state your conclusion.
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