"Durable press" cotton fabrics are treated to improve their recovery from wrinkles after washing. "Wrinklerecovery angle" measures how well a fabric recovers from wrinkles. Higher is better. Here are data on thewrinkle recovery angle (in degrees) for two types of treated fabrics:Permafresh12131511101614Hylite14192016A manufacturer wants to know how large is the difference in mean wrinkle recovery angle.Give a 98% confidence interval for the difference in mean wrinkle recovery angle:[three decimal accuracy] [three decimal accuracy]

Given: Permafresh:, n1 = 7 Hylite: n2 = 4 Formula Used: Confidence Interval = X1 -X2 ± t*×sp×1n1+1n2…

Answered: "Durable press" cotton fabrics are…

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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Prehistoric pottery vessels are usually found as sherds (broken pieces) and are carefully reconstructed if enough sherds can be found. Information taken from Mimbres Mogollon Archaeology by A. I. Woosley and A. J. McIntyre (University of New Mexico Press) provides data relating x = body diameter in centimeters and y = height in centimeters of prehistoric vessels reconstructed from sherds found at a prehistoric site. The following Minitab printout provides an analysis of the data. Predictor Coef SE Coef T P Constant -0.182 2.429 -0.09 0.929 Diameter 0.7824 0.1281 5.33 0.003 S = 3.92430 R-Sq = 71.4% (a) The standard error Se of the linear regression model is given in the printout as "S." What is the value of Se?(b) The standard error of the coefficient of the predictor variable is found under "SE Coef." Recall that the standard error for b is Se/√Σx2 – (1/n)(Σx)2. From the Minitab display, what is the value of the standard error for the slope b?(c) The formula for the…
Match the coefficient of determination to the scatter diagram. The scales on the x-axis and y-axis are the same for each scatter diagram. (a) R² = 1, (b) R = 0.62, (c) R² = 0.12 (a) Scatter diagram Explanatory (b) Scatter diagram (c) Scatter diagram Explanatory Explanatory asuods ə asuodsə Response
Q1 (а) і. 10,000 vehicle speed traffic data were collected during the weekday on route FT050 at Batu Pahat, Johor. Suggest how to quantify and describe the basic characteristic of this data. Then explain how the method you suggested can help others to understand the data.
Following this week's empirical application, the scatter plot below plots average rain in a city (vertical axis) against average PM 10 levels in a city (horizontal axis). Based on this figure, what appears to be true? Average Rain in a City u Rain vs Pollution by City 120 Average PM10 in a City 160 Cities with more rain tend to have less pollution O Cities with less pollution tend to have less rain O There is no statistical relationship between rain and pollution O Cities with more rain tend to have more pollution
finish d,e,f, g, h
Data is collected on 30 adults to see if there is a correlation between age and amount donated to a political party. If r=0.98, atht e 0.05 level is there a correlation between age and donations? Show work.
Prehistoric pottery vessels are usually found as sherds (broken pieces) and are carefully reconstructed if enough sherds can be found. Information taken from Mimbres Mogollon Archaeology by A. I. Woosley and A. J. McIntyre (University of New Mexico Press) provides data relating x = body diameter in centimeters and y = height in centimeters of prehistoric vessels reconstructed from sherds found at a prehistoric site. The following Minitab printout provides an analysis of the data. Predictor Coef SE Coef Constant -0.221 2.429 -0.09 0.929 Diameter 0.8067 0.1524 5.33 0.001 S = 4.23750 R-Sq = 87.5% (a) The standard error S. of the linear regression model is given in the printout as "S." What is the value ofS,? e (b) The standard error of the coefficient of the predictor variable is found under "SE Coef." Recall that the standard error for b is SJVEX² - (1/n)(Ex). From the Minitab display, what is the value of the standard error for the slope b? (c) The formula for the margin of error E for…
please send complete handwritten solution for Q1 part f
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Please solve the last two parts. Part d and part e.
Prehistoric pottery vessels are usually found as sherds (broken pieces) and are carefully reconstructed if enough sherds can be found. Information taken from Mimbres Mogollon Archaeology by A. I. Woosley and A. J. McIntyre (University of New Mexico Press) provides data relating x = body diameter in centimeters and y = height in centimeters of prehistoric vessels reconstructed from sherds found at a prehistoric site. The following Minitab printout provides an analysis of the data. Predictor Coef SE Coef T P Constant -0.212 2.429 -0.09 0.929 Diameter 0.7527 0.1686 5.33 0.013 S = 4.16190 R-Sq = 81.2% (c) The formula for the margin of error E for a c% confidence interval for the slope ? can be written as E = tc(SE Coef). The Minitab display is based on n = 12 data pairs. Find the critical value tc for a 90% confidence interval in the relevant table. Then find a 90% confidence interval for the population slope ?. (Use 3 decimal places.) tc lower limit upper…

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