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In a completely randomized experimental design, 6 experimental units were used for each of the 4 levels of the factor (i.e., 4 treatments):
Source of Variation / Sum of Squares / Degrees of Freedom / Mean Square / F
Between Treatments 14302 / (1) / (2) / (3)
Error (Within Treatments) 28019 / (4) / (5)
Total 42321 / (6)
1. Fill in the blanks in the following ANOVA table (There are 6 unknown numbers)?
2. What is the null and alternative hypothesis for this ANOVA test?
3. Find the critical value of the F test at the 0.05 level of significance?
4. What is the conclusion of the F test? Please give reason?
A package of cereal has a 12ounces net weight tag. The real weight has a normal distribution of 12 ounces and a standard deviation of 2.4 ounces. What percentage of the packages weight more than 10 ounces?
Find the margin of error and construct a 90?% confidence interval for the population mean µ. Interpret the results.
In a random sample of 100 voters, what is the probability that the sample will indicate a dead heat (fifty-fifty)?
The authors of the article "A Probabilistic Insulation Life Model for Combined ThermalElectrical Stresses" (IEEE Trans. on Elect. Insulation, 1985: 519-522) state that "the Weibull distribution is widely used in statistical problems relating to a..
Throw two dice. Suppose that we only know the sum of the face values, which have been turned up. Define the sample space ? that includes all the possible.
a. Find a 99% confidence interval for the true calcium content of this substance. b. What does the phrase "99% confident" mean? c. What assumptions must you make about the sampling procedure so that this confidence interval will be valid? What does..
Many people find the calculations tedious or complex and most companies offering annuities also offer calculators to see the effects of your proposed investment. An example is given here.
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The probability a randomly selected individual from the population has the disease is 0.015.
How does this model compare to the one in given Exercise?- What does this model estimate the interest rate to have been in 2000? How does this compare to the rate you predicted in given Exercise?
q1. during the previous presidential elections in the united states very long wait times have been witnessed at
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