Lab 1: Introduction to R & RStudio
Exercise 1: What command would you use to extract just the counts of girls baptized?
arbuthnot$girls
Exercise 2: Is there an apparent trend in the number of girls baptized over the years? How would you
describe it?
Over
R Studio 3
Lab 1: Inference for Numerical Data
Exercise 1: What are the cases in this data set? How many cases are there in our sample?
The cases are the relations between the births of children in North Carolina and the habits of their expectant
mothers.
R Studio 2
Lab 1: Distributions
Exercise 1: Make a histogram of mens heights and a histogram of womens heights. How would you compare
the various aspects of the two distributions?
Both histograms appear to be distributed similarly. Men have a higher mean
Chapter 1:
Statistics is the science of collecting, organizing, and analyzing the data.
Data is the fact or pieces of information.
Descriptive Statistics consists of methods for organizing and summarizing information. Descriptive
statistics includes the c