Central question: How many X does the phrase some X next to a Y refer to? Your predictors are
OBJECT
: the sizes of the objects X: large
vs. small;REFPOINT
: the sizes of the reference points Y:
large vs. small.Analyze the data properly with a regression model and summarize the results (briefly).
rm(list=ls(all.names=TRUE))
summary(x <- read.delim( # summarize x, the result of loading
file="105_11_some.csv", # this file
stringsAsFactors=TRUE)) # change categorical variables into factors
## CASE OBJECT REFPOINT ESTIMATE
## Min. : 1.00 large:8 large:8 Min. : 2.0
## 1st Qu.: 4.75 small:8 small:8 1st Qu.:38.5
## Median : 8.50 Median :44.0
## Mean : 8.50 Mean :51.5
## 3rd Qu.:12.25 3rd Qu.:73.0
## Max. :16.00 Max. :91.0