A sample of 56 research cotton samples resulted in asample average percentage elongation of 8.17 and asample standard deviation of 1.42 (“An ApparentRelation Between the Spiral Angle f, the PercentElongation E1, and the Dimensions of the CottonFiber,” Textile Research J., 1978: 407–410). Calculatea 95% large-sample CI for the true average percentageelongation m. What assumptions are you making aboutthe distribution of percentage elongation?
A sample of 56 research cotton samples resulted in asample average percentage elongation of 8.17 and asample standard deviation of 1.42 (“An ApparentRelation Between the Spiral Angle f, the PercentElongation E1, and the Dimensions of the CottonFiber,” Textile Research J., 1978: 407–410). Calculatea 95% large-sample CI for the true average percentageelongation m. What assumptions are you making aboutthe distribution of percentage elongation?
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.3: Special Probability Density Functions
Problem 8E
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A sample of 56 research cotton samples resulted in a
sample average percentage elongation of 8.17 and a
sample standard deviation of 1.42 (“An Apparent
Relation Between the Spiral Angle f, the Percent
Elongation E1, and the Dimensions of the Cotton
Fiber,” Textile Research J., 1978: 407–410). Calculate
a 95% large-sample CI for the true average percentage
elongation m. What assumptions are you making about
the distribution of percentage elongation?
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