Mathematics, 30.07.2020 04:01, YamiletRdz721
Random samples of two species of iris gave the following petal lengths (in cm).
x1, Iris virginica 5.8 5.9 4.5 4.9 5.7 4.8 5.8 6.4 5.3 5.9
x2, Iris versicolor 4.5 4.9 4.7 5.0 3.8 5.1 4.4 4.2
Required:
a. Use a 5% level of significance to test the claim that the population standard deviation of x1 is larger than 0.55.
b. What are the degrees of freedom?
c. Find a 90% confidence interval for the population standard deviation of x1.
d. Find the value of the sample F statistic.
Answers: 3
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The level of co2 emissions, f(x), in metric tons, from the town of fairfax x years after they started recording is shown in the table below. x 2 4 6 8 10 f(x) 26,460 29,172.15 32,162.29 35,458.93 39,093.47 select the true statement.
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Mathematics, 21.06.2019 17:00, BackUpAccount
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Mathematics, 21.06.2019 19:00, sreyasusanbinu
45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?
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Random samples of two species of iris gave the following petal lengths (in cm).
x1, Iris virginica...
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