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In 2015, the average iceberg weighed 20 million tons. A random sample of 100 icebergs last year had a mean of 19 million tons with a standard deviation of 5.7 million tons. Write the hypotheses you would use to test if the average weight of icebergs has decreased since 2015. O Ho: 20, H₁ > 20 O Ho: X=20, H₁x > 20 Ο Ho: μ = 20, H,:μ < 20 O Ho: x=20, H₁x < 20 O None of these.

In 2015, the average iceberg weighed 20 million tons. A random sample of 100 icebergs last year had a mean of 19 million tons with a standard deviation of 5.7 million tons. Write the hypotheses you would use to test if the average weight of icebergs has decreased since 2015. O Ho: 20, H₁ > 20 O Ho: X=20, H₁x > 20 Ο Ho: μ = 20, H,:μ < 20 O Ho: x=20, H₁x < 20 O None of these.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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In 2015, the average iceberg weighed 20 million tons. A random sample of 100 icebergs last year had a mean of 19 million tons with a standard deviation of 5.7 million tons. Write the hypotheses you would use to test if the average weight of icebergs has decreased since 2015. O Ho: 20, H₁:μ > 20 O Ho: x=20, H₁x > 20 O Ho: H=20, H₂μ < 20 O Ho: x=20, H₁x < 20 O None of these.
Transcribed Image Text:In 2015, the average iceberg weighed 20 million tons. A random sample of 100 icebergs last year had a mean of 19 million tons with a standard deviation of 5.7 million tons. Write the hypotheses you would use to test if the average weight of icebergs has decreased since 2015. O Ho: 20, H₁:μ > 20 O Ho: x=20, H₁x > 20 O Ho: H=20, H₂μ < 20 O Ho: x=20, H₁x < 20 O None of these.
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