The project
A simple study of pine tree needles.
Bio7 project
Learning objectives: Conduct your own field biology project, from beginning to end Apply what you learn in class concretely
A statistical study of pine tree needles at UCI
Apply more th
Idealized/Smoothed density curves
A smoothed density curve is a mathematical model of a distribution. It plots percent density distribution. The total area under the curve is 100%. The area under the curve for a range of values is the percentage of a
Key concepts from week 1
Two types of variables
A variable can be either
Observation, experiment
Always select individuals randomly! Stratified design is for sampling/survey Block design is for experiment
quantitative
Something that can be counted
Objectives (BPS chapter 1)
Picturing Distributions with Graphs
Displaying data with graphs
Two types of variables/data: categorical and quantitative Ways to chart categorical data: bar graphs and pie charts Ways to chart quantitative data: histogra
Review of lecture 1
Producing data: sampling
Producing data: experiments
Individuals and variables Explanatory, response and lurking variables Population versus sample Observation versus experiment
BPS chapter 9
How to sample badly Simple random
Objectives
Producing data: sampling
Producing data: sampling
Individuals and variables Explanatory, response and lurking variables Observation versus experiment Population versus sample
BPS chapters 1.1, 4.1 & 8
How to sample badly Simple random
Today:
Announcements: the waitlist, hints on the current homework
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Experiments
Chapter 8: Experiments, with a couple of worked problems interspersed
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Chapter 1: Descriptive statistics A suggestion for people feeling lost. More worked probl