BUSN 5000 Examination And All Correct Answers.

Subsample<-filter(raw, wage>0 & wage > 100) - Answer Which line of R code creates a data set called subsample from a data set called raw where the variable wage is above 0 and wage is below 100 Acquisition - Answer What is the first stage of data analysis Transformation - Answer What is the second stage of data analysis Estimation - Answer What is the third stage of data analysis -the inputs used for the original analysis are readily available -the results(outputs) of the original analysis can be generated using the same inputs - Answer What is the required criteria for reproducible data analysis confirmation bias - Answer Consider a researcher who is interested in the effect of educational attainment on someone's wage. If an analysis confirms or researchers prior beliefs, they may not carefully consider flaws in how the data was collected, or what assumptions they made along the way. What is the situation example of? Filter - Answer What R function from tidyverse (dplyr) is used to subset observations based on their values Mutate - Answer What R function from tidyverse (dpylr) is used to create new variables from existing variables Select - Answer What R function from tidyverse (dpylr) is used to choose a subset of variables As one variable increases we expect others to increase - Answer What does it mean for two variables to be positively correlated As one variable increases we expect the other to decrease - Answer What does it mean for two variables to be negatively correlated As one variable increases we dont expect any changes in the other variable - Answer What does it mean for two variables to be uncorrelated