Applied Statistics and Probability for Engineers 6th Edition solutions

Applied Statistics and Probability for Engineers 6
Determine the values of the following percentiles: \(\chi_{0.05,10}^2,\chi_{0.025,15}^2,\chi_{0.01,12}^2,\chi_{0.95,20}^2,\chi_{0.99,18}^2,\chi_{0.995,16}^2,\text{ and }\chi_{0.005,25.}^2\) Equation Transcription: Text Transcription: chi_0.05, 10 ^2, chi_0.025,15 ^2, chi_0.01,

Applied Statistics and Probability for Engineers 6
Determine the percentile that is required to construct each of the following CIs: (a) Confidence level = 95%, degrees of freedom = 24, one-sided (upper) (b) Confidence level = 99%, degrees of freedom = 9, one-sided (lower) (c) Confidence level = 90%, degrees of freedom = 19, two-sided.

Applied Statistics and Probability for Engineers 6
A rivet is to be inserted into a hole. A random sample of n = 15 parts is selected, and the hole diameter is measured. The sample standard deviation of the hole diameter measurements is s= 0.008 millimeters. Construct a 99% lower confidence bound for .

Applied Statistics and Probability for Engineers 6
Consider the situation in Exercise 8-48. Find a 99% lower confidence bound on the standard deviation. 8.48: A rivet is to be inserted into a hole. A random sample of n = 15 parts is selected, and the hole diameter is measured. The sample standard deviation of the hole diameter measurements is s= 0.

Applied Statistics and Probability for Engineers 6
The sugar content of the syrup in canned peaches is normally distributed. A random sample of n = 10 cans yields a sample standard deviation of s = 4.8 milligrams. Calculate a 95% two-sided confidence interval for \(\sigma\).

Applied Statistics and Probability for Engineers 6
The percentage of titanium in an alloy used in aerospace castings is measured in 51 randomly selected parts. The sample standard deviation is s = 0.37. Construct a 95% two-sided confidence interval for

Applied Statistics and Probability for Engineers 6
An article in Medicine and Science in Sports and Exercise [Electrostimulation Training Effects on the Physical Performance of Ice Hockey Players (2005, Vol. 37, pp. 455460)] considered the use of electromyostimulation (EMS) as a method to train healthy skeletal muscle. EMS sessions consisted of 30 co

Applied Statistics and Probability for Engineers 6
An article in Urban Ecosystems, Urbanization and Warming of Phoenix (Arizona, USA): Impacts, Feedbacks and Mitigation (2002, Vol. 6, pp. 183203), mentions that Phoenix is ideal to study the effects of an urban heat island because it has grown from a population of 300,000 to approximately 3 million ov

Applied Statistics and Probability for Engineers 6
An article in Cancer Research [Analyses of Litter-Matched Time-to-Response Data, with Modifications for Recovery of Interlitter Information (1977, Vol. 37, pp. 3863-3868)] tested the tumorigenesis of a drug. Rats were randomly selected from litters and given the drug. The times of tumor appearanc

Applied Statistics and Probability for Engineers 6
An article in Technometrics (1999, Vol. 41, pp. 202211) studied the capability of a gauge by measuring the weight of paper. The data for repeated measurements of one sheet of paper are in the following table. Construct a 95% one-sided upper confidence interval for the standard deviation of these meas

Applied Statistics and Probability for Engineers 6
An article in the Australian Journal of Agricultural Research [Non-Starch Polysaccharides and Broiler Perfor-mance on Diets Containing Soyabean Meal as the Sole Protein Concentrate (1993, Vol. 44(8), pp. 14831499)] determined that the essential amino acid (Lysine) composition level of soy-bean meals

Applied Statistics and Probability for Engineers 6
From the data on the pH of rain in Ingham County, Michigan: 5.47 5.37 5.38 4.63 5.37 3.74 3.71 4.96 4.64 5.11 5.65 5.39 4.16 5.62 4.57 4.64 5.48 4.57 4.57 4.51 4.86

Applied Statistics and Probability for Engineers 6
From the data on CAT scans in Exercise 8-45 (a) Find a two-sided 95% confidence interval for the standard deviation. (b) What should you do to address any reservations about the confidence interval you found in part (a)?