Publications by Forest Kingfisher, Olivia Owens, Kameron Garza
Homework, week 3 - IE 5342
2.32 The diameter of a ball bearing was measured by 12 inspectors, each using two different kinds of calipers. The results were # Read in the data table for 2.32 dat232<-read.csv("https://raw.githubusercontent.com/forestwhite/RStatistics/main/232Table.csv") dat232 ## Inspector Caliper1 Caliper2 ## 1 1 0.265 0.264 ## 2 ...
3957 sym R (9291 sym/35 pcs) 5 img
Flipped Assignment 4, team 2
An environmental group would like to test the hypothesis that the mean mpg of cars manufactured in the US is less than that of those manufactured in Japan. Towards this end, they sampled n1=35 US and n2=28 Japanese cars, which were tested for mpg fuel efficiency. (As a caveat, assume that this is a random sample from a large population of US and ...
3874 sym R (4948 sym/19 pcs) 6 img
Homework, week 2 - IE 5342
2.24 Two machines are used for filling plastic bottles with a net volume of 16.0 ounces. The filling processes can be assumed to be normal, with standard deviations of σ1 = 0.015 and σ2 = 0.018. The quality engineering department suspects that both machines fill to the same net volume, whether or not this volume is 16.0 ounces. An experiment is...
4092 sym R (5473 sym/26 pcs) 4 img 3 tbl
IE 5342, Week 4 Homework
3.7 (a) The tensile strength of Portland cement is being studied. Four different mixing techniques can be used economically. A completely randomized experiment was conducted and the following data were collected: # Load data dat37<-read.csv("https://raw.githubusercontent.com/forestwhite/RStatistics/main/37Table.csv", header=TRUE) dat37 ## X...
2327 sym R (1803 sym/12 pcs)
Flipped Assignment 9
1. Suppose we wish to design a new experiment that tests for a significant difference between the mean effective life of these 4 insulating fluids at an accelerated load of 35kV. The variance of fluid life is estimated to be 4.5hrs based on preliminary data. We would like this test to have a type 1 error probability of 0.05, and for this test to ...
3077 sym R (4052 sym/19 pcs) 5 img
Homework, week 5 - IE 5342
3.7 (c,d,e,f) The tensile strength of Portland cement is being studied. Four different mixing techniques can be used economically. A completely randomized experiment was conducted and the following data were collected: # Read in the data table for 3.7 dat37<-read.csv("https://raw.githubusercontent.com/forestwhite/RStatistics/main/37Table.csv") ...
4743 sym R (2995 sym/19 pcs) 5 img
Project, Part 1: Group 2
Perform a designed experiment on the effect of Release Angle on the distance in which the ball is thrown. Specifically, we would like to study whether the settings of 175, 180, and 185 degrees significantly differ in their mean distance. Since pulling the lever back takes additional work, we would like to investigate whether this makes a signific...
2777 sym R (4812 sym/19 pcs) 7 img
Flipped Assignment 10
A civil engineer is interested in determining whether four different methods of estimating flood flow frequency produce equivalent estimates of peak discharge when applied to the same watershed. Each procedure is used six times on the watershed, and the resulting discharge data (in cubic feet per second) are shown below. # load data into a data f...
1329 sym R (3438 sym/15 pcs) 6 img
Homework, week 6
3.23 The effective life of insulating fluids at an accelerated load of 35 kV is being studied. Test data have been obtained for four types of fluids. The results from a completely randomized experiment were as follows: Fluid Type | Life (in h) at 35 kV Load # Read in the data table for 3.23 dat323<-read.csv("https://raw.githubusercontent.com/for...
5117 sym R (9770 sym/40 pcs) 13 img
Homework, week 7 - IE 5342
4.3 A chemist wishes to test the effect of four chemical agents on the strength of a particular type of cloth. Because there might be variability from one bolt to another, the chemist decides to use a randomized block design, with the bolts of cloth considered as blocks. She selects five bolts and applies all four chemicals in random order to eac...
2163 sym R (5591 sym/24 pcs) 1 img