Which of the summary statistics are most appropriate

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Rainmakers?

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). Here are the summary statistics:

 

n

Mean

Median

SD

IQR

Q1

Q3

Unseeded

26

164.59

44.20

278.43

138.60

24.40

163

Seeded

26

441.98

221.60

650.79

337.60

92.40

430

a) Which of the summary statistics are most appropriate for describing these distributions. Why?

b) Do you see any evidence that seeding clouds may be effective? Explain.

Reference no: EM131394307

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