MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Suppose that the sitting back-to-knee length for a group of adults has a normal distribution with a mean of u = 22.1 in. and a standard deviation of o = 1.1 in. These data are often used in the design of different seats, including aircraft seats train
seats, theater seats, and classroom seats. Instead of using 0.05 for identifying significant values, use the criteria that a value x is significantly high if P(x or greater) s0.01 and a value is significantly low if P(x or less) <0.01. Find the
back-to-knee lengths separating significant values from those that are not significant. Using these criteria, is a back-to-knee length of 24.2 in. significantly high?
Find the back-to-knee lengths separating significant values from those that are not significant.
Back-to-knee lengths greater than 22 in. and less than 26.7 in. are not significant, and values outside that range are considered significant.
(Round to one decimal place as needed.)
Using these criteria, is a back-to-knee length of 24.2 in. significantly high?
A back-to-knee length of 24.2 in. is not significantly high because it is inside the range of values that are not considered significant.
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Transcribed Image Text:Suppose that the sitting back-to-knee length for a group of adults has a normal distribution with a mean of u = 22.1 in. and a standard deviation of o = 1.1 in. These data are often used in the design of different seats, including aircraft seats train seats, theater seats, and classroom seats. Instead of using 0.05 for identifying significant values, use the criteria that a value x is significantly high if P(x or greater) s0.01 and a value is significantly low if P(x or less) <0.01. Find the back-to-knee lengths separating significant values from those that are not significant. Using these criteria, is a back-to-knee length of 24.2 in. significantly high? Find the back-to-knee lengths separating significant values from those that are not significant. Back-to-knee lengths greater than 22 in. and less than 26.7 in. are not significant, and values outside that range are considered significant. (Round to one decimal place as needed.) Using these criteria, is a back-to-knee length of 24.2 in. significantly high? A back-to-knee length of 24.2 in. is not significantly high because it is inside the range of values that are not considered significant. Textbook StatCrunch Time Remaining: 00:34:48 Next OCT 25 Mactook!
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