Understanding the World through Data

class date

08/24/23

Summary
A numerical, graphical, or verbal description of an aspect of data that is on hand.

Example: Using data from the Stat 20 class survey, the proportion of respondents to the survey who reported having no experience writing computer code is 70%.

Generalization
A numerical, graphical, or verbal description of a broader set of units than those on which data was been recorded.

Example: Using data from the Stat 20 class survey, the proportion of Berkeley students who have no experience writing computer code is 70%.

Causal Claim
A claim that changing the value of one variable will influence the value of another variable.

Example: Data from a randomized controlled experiment shows that taking a new antibiotic eliminates more than 99% of bacterial infections.

Prediction
A guess about the value of an unknown variable, based on other known variables.

Example: Based on reading the news and the price of Uber’s stock today, I predict that Uber’s stock price will go up 1.2% tomorrow.

Materials from class

Slides

Worksheet