6. Formulating directional and nondirectional hypotheses The term "El Niño" refers to the warming of the central and eastern tropical Pacific waters that occurs every 3 to 7 years and typically lasts from 9 to 12 months. The 1997-1998 El Niño, the strongest ever recorded, affected climate patterns worldwide. Its effect, combined with an increasing trend in annual global temperatures, made 1998 the warmest year in the 20th century. Suppose you are a climatologist. You conduct a hypothesis test to determine whether the global mean temperature in the current year is greater than the global mean temperature in 1998. Assume that the global mean temperature in 1998 was 14.3 degrees Celsius (the population mean). You obtain a preliminary sample of temperatures from recording stations worldwide, which yields a sample mean of M = 15.1 degrees Celsius. Let u denote the global mean temperature in the current year. Formulate your null and alternative hypotheses by selecting the appropriate values in the blue dropdown menus that follow. Ho: H₁: The test you conduct is test.
6. Formulating directional and nondirectional hypotheses The term "El Niño" refers to the warming of the central and eastern tropical Pacific waters that occurs every 3 to 7 years and typically lasts from 9 to 12 months. The 1997-1998 El Niño, the strongest ever recorded, affected climate patterns worldwide. Its effect, combined with an increasing trend in annual global temperatures, made 1998 the warmest year in the 20th century. Suppose you are a climatologist. You conduct a hypothesis test to determine whether the global mean temperature in the current year is greater than the global mean temperature in 1998. Assume that the global mean temperature in 1998 was 14.3 degrees Celsius (the population mean). You obtain a preliminary sample of temperatures from recording stations worldwide, which yields a sample mean of M = 15.1 degrees Celsius. Let u denote the global mean temperature in the current year. Formulate your null and alternative hypotheses by selecting the appropriate values in the blue dropdown menus that follow. Ho: H₁: The test you conduct is test.
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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Transcribed Image Text:6. Formulating directional and nondirectional hypotheses
The term "El Niño" refers to the warming of the central and eastern tropical Pacific waters that occurs every 3 to 7 years and typically lasts from 9 to 12
months. The 1997-1998 El Niño, the strongest ever recorded, affected climate patterns worldwide. Its effect, combined with an increasing trend in
annual global temperatures, made 1998 the warmest year in the 20th century.
Suppose you are a climatologist. You conduct a hypothesis test to determine whether the global mean temperature in the current year is greater than the
global mean temperature in 1998. Assume that the global mean temperature in 1998 was 14.3 degrees Celsius (the population mean). You obtain a
preliminary sample of temperatures from recording stations worldwide, which yields a sample mean of M = 15.1 degrees Celsius.
Let u denote the global mean temperature in the current year. Formulate your null and alternative hypotheses by selecting the appropriate values in the
blue dropdown menus that follow.
Ho:
H₁:
The test you conduct is
test.
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