Cloud seeding has been studied for many decades as a weather modification procedure. The rainfall in acre-feet from 20 clouds that were selected at random and seeded with silver nitrate follows: 18.0, 30.7, 19.8, 27.1, 22.3, 18.8, 31.8, 23.4, 21.2, 27.9, 31.9, 27.1, 25.0, 24.7, 26.9, 21.8, 29.2, 34.8, 26.7, 31.6. Can we support the claim that mean rainfall from seeded clouds exceeds 25 acre-feet? Use a = 0.01 a. Test on Mean, Variance Unknown O b. Test on Variance and Standard Deviation O, Test on Mean, Variance Known C. O d. Test on Population Proportion
Cloud seeding has been studied for many decades as a weather modification procedure. The rainfall in acre-feet from 20 clouds that were selected at random and seeded with silver nitrate follows: 18.0, 30.7, 19.8, 27.1, 22.3, 18.8, 31.8, 23.4, 21.2, 27.9, 31.9, 27.1, 25.0, 24.7, 26.9, 21.8, 29.2, 34.8, 26.7, 31.6. Can we support the claim that mean rainfall from seeded clouds exceeds 25 acre-feet? Use a = 0.01 a. Test on Mean, Variance Unknown O b. Test on Variance and Standard Deviation O, Test on Mean, Variance Known C. O d. Test on Population Proportion
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![Cloud seeding has been studied for many decades as a weather modification procedure. The rainfall
in acre-feet from 20 clouds that were selected at random and seeded with silver nitrate follows:
18.0, 30.7, 19.8, 27.1, 22.3, 18.8, 31.8, 23.4, 21.2, 27.9, 31.9, 27.1, 25.0, 24.7, 26.9, 21.8, 29.2, 34.8,
26.7, 31.6.
Can we support the claim that mean rainfall from seeded clouds exceeds 25 acre-feet? Use a = 0.01
a. Test on Mean, Variance Unknown
O b. Test on Variance and Standard Deviation
O, Test on Mean, Variance Known
C.
O d. Test on Population Proportion](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F753bc901-6e4f-4c4b-9168-9ca047ef6ade%2F2e91e41b-8e51-48ba-811f-bf267c0ee0cc%2Fgwbbqbp_processed.png&w=3840&q=75)
Transcribed Image Text:Cloud seeding has been studied for many decades as a weather modification procedure. The rainfall
in acre-feet from 20 clouds that were selected at random and seeded with silver nitrate follows:
18.0, 30.7, 19.8, 27.1, 22.3, 18.8, 31.8, 23.4, 21.2, 27.9, 31.9, 27.1, 25.0, 24.7, 26.9, 21.8, 29.2, 34.8,
26.7, 31.6.
Can we support the claim that mean rainfall from seeded clouds exceeds 25 acre-feet? Use a = 0.01
a. Test on Mean, Variance Unknown
O b. Test on Variance and Standard Deviation
O, Test on Mean, Variance Known
C.
O d. Test on Population Proportion
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