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An ornithologist is studying the length (in seconds) of bird calls. Random samplesfrom three different breeds yielded the following results.Breed 1 2.3 1.9 2.1Breed 2 0.8 1.2 1.1Breed 3 2.0 1.4 1.7Use one-way ANOVA to test if the mean call length differs for the three breeds. Useα = 0.05.What are the null and alternate hypotheses?
A)H0: μ1 ≠ μ2≠μ3; H1: μ1 = μ2= μ3
B)H0: σ1 =σ 2 =σ 3 H1: σ1 ≠σ 2 ≠σ 3
C)H0: μ1 = μ2= μ3; H1: Not all of μ1, μ2, μ3 are equal.
D)H0: μ1 ≠ μ2 ≠ μ3 H1: μ1 > μ2 > μ3
E)none of these
It is estimated that such a programme will cost $7 M and that the probability of the flu striking in the next year is 0.75
A manufacturing company produces steel housing for electrical equipment
Determine if there is a difference in gas prices between Ontario and Quebec.
Analyze the processed data in Statistical survey.
A company is considering expansion of its current facility to meet increasing demand. If demand is high in the future, the major expansion would result in an additional profit of $800,000, but if demand is low then there would be a loss of $500..
Define the nonoverlapping classes for a frequency distribution. Tally the number of ratings in each class and develop a frequency distribution.
What were the differences in the sources of employees for Vivid Sky as it developed? What are the benefits and problems of using equity to compensate employees? What about using pay? How could Tim have managed the third wave of employees if he had hi..
Each of the following proportions is based on survey responses. For each proportion, use the ±2 rule of thumb to determine the 95 percent confidence interval. When asked if they are satisfied with their financial situation, .29 said "very satisfied" ..
The thickness of a printed circuit board is an important quality parameter. Data on board thickness (in inches) are given in Table 6E.4 for 25 samples of three boards each. (a) Set up and R control charts. Is the process in statistical control? (b) E..
What is the probability that the birthdays of 7 people will fall on 7 different days of the weeks, assuming equal probabilities for the seven days?
a chemical company wished to study the consistency of the strength of one of its liquid chemical products. the product
i. truefalse1.nbsp a b if and only if b isin a and a isin b.2.nbsp a cap b ? c a ? b cap a ? c3.nbsp ac c nbsp
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