Question
A historic data set studied by R. A. Fisher is the measurements of four flower parts on 50 specimens of each of three species of
A historic data set studied by R. A. Fisher is the measurements of four flower parts on 50 specimens of each of three species of irises. Here are the sepal lengths (in centimeters) of the species of Iris setosa:
5.1 | 4.9 | 4.7 | 4.6 | 5.0 | 5.4 | 4.6 | 5.0 | 4.4 | 4.9 |
5.4 | 4.8 | 4.8 | 4.3 | 5.8 | 5.7 | 5.4 | 5.1 | 5.7 | 5.1 |
5.4 | 5.1 | 4.6 | 5.1 | 4.8 | 5.0 | 5.0 | 5.2 | 5.2 | 4.7 |
4.8 | 5.4 | 5.2 | 5.5 | 4.9 | 5.0 | 5.5 | 4.9 | 4.4 | 5.1 |
5.0 | 4.5 | 4.4 | 5.0 | 5.1 | 4.8 | 5.1 | 4.6 | 5.3 | 5.0 |
Estimate the mean sepal length of this species of Iris using a 95% confidence interval. Enter the interval in the box below:
b. Choose the correct alternate hypothesis to test the statistical hypothesis that the mean sepal length for the speciesIris Setosais different from 5 centimeters.
Group of answer choices
H1: 5
H1: >5
H1: <5
H1: =5
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