Publications by Groupe 3. Vinicio Quiros, Manuela Pombo, Marco Leiva
Flipped Assignment Class 7
# library(pwr) library(tidyr) f1<- c(17.6,18.9,16.3,17.4,20.1,21.6) f2<- c(16.9,15.3,18.6,17.1,19.5,20.3) f3<- c(21.4,23.6,19.4,18.5,20.5,22.3) f4<- c(19.3,21.1,16.9,17.5,18.3,19.8) Question 1 The effective life of insulating fluids at an accelerated load of 35kV is being studied. Test data have been obtained for the four types of fluid. ...
1867 sym R (1429 sym/7 pcs) 2 img
Assignment 6 Group 3.
# library(pwr) library(tidyr) a<- c(15, 26, 13, 28, 17, 20, 7, 36, 12, 18) b<- c(13, 20, 10, 21, 17, 22, 5, 30, 7, 11) Exercise 1 Consider an experiment in which we wish to test whether there is a difference between two types of aspirin (types A and B) in the amount of drug that is excreted as urine. To conduct this experiment, a subject is...
2725 sym R (3498 sym/30 pcs) 4 img
Assigment group 5
library(dplyr) ## ## Attaching package: 'dplyr' ## The following objects are masked from 'package:stats': ## ## filter, lag ## The following objects are masked from 'package:base': ## ## intersect, setdiff, setequal, union dat <- read.csv("https://raw.githubusercontent.com/tmatis12/datafiles/main/normtemp.csv") males<-dat[1:65,3]...
1892 sym R (652 sym/13 pcs) 5 img
Assigment 5 Group 1
First, we are going to define the null and the alternative . We want to determine if there are enough evidence to infer that the real mean is not equal to 3.2 ohms As we already have a small sample, it is possible to run a preliminary hypothesis test. This would be a two-sided test as we are proving an inequality. The result of this test is show...
2611 sym R (1739 sym/11 pcs)
Flipped Assignment Class 9
Question 1 An engineer is interested in the effects of cutting speed A, tool geometry B, and cutting angle C on the life (in hours) of a machine tool. Two levels of each factor are chosen, and three replicates of a 23 factorial design are run. The results are as follows: What factors are significant (at an alpha = 0.05 los) in a model of mean to...
1143 sym R (3698 sym/15 pcs) 3 img
Final Examination - Stat and DOE Using R - CR
—————————————————————————————————————————————————————————————————————— Problem 1 The amount of time that it takes to complete a certain job is known to be Normally distributed with a mean of 10 minutes and ...
4800 sym R (6226 sym/22 pcs) 5 img