reading for week 2 - chapter 6, learning from data

Question 1

what is a statistical population?

Answer 1

any group of items that share certain attributes or properties

Question 2

define population parameter

Answer 2

a numeric quantity that describes a particular aspect of the variables in a population e.g. the mean

Question 3

define point estimate

Answer 3

a number that best represents our best guess of the true value of the parameter