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Create confidence interval for average amount of rain

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Reference no: EM131422587

In an experiment to determine whether seeding clouds with silver iodide increases rainfall, 52 clouds were randomly assigned to be seeded or not. The amount of rain they generated was then measured (in acre-feet).

Create a 95% confidence interval for the average amount of additional rain created by seeding clouds. Explain what your interval means.


 Unseeded Clouds Seeded Clouds
Count 26 26
Mean 164.588 441.985
Median 44.2 221.6
SD 278.426 650.787
IntQRange 138.6 337.6
25 %ile 24.4 92.4
75 %ile 163 430

Reference no: EM131422587

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