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Open Problem Bank in Statistics (OPBS)

About this Problem Bank

About
Project Team

Introduction to Data

Migraine and acupuncture, Part I
Migraine and acupuncture, Part II
Relaxing after work
Parameters and statistics
San Jose Park Use
Babies on Airplanes

Summarizing Data

Distributions and Appropriate Statistics
Commute Times
Antibiotic use in children
Make up Exam
TV_Watchers
Oscar Winners
Elementary Students Lived California
Histograms
Depth of Hunger
Line Graphs
Bar Graphs
Selecting Correct Test Type
Understanding Null Hypothesis
Attendance to Latest Marvel Movie
Drug Safety per Standards

Probability

Swing voters
True or false
Four games, one winner
Coin flips
Educational Attainment of Couples
Joint and Conditional Probabilities
Global Warming
Burger Preferences
Marbles in an urn
Chips in a bag
Student outfits
College smokers
Hearts win
Portfolio return
Roulette
Grade distributions
Cost of breakfast
Variance of a mean
A2 P1
Assignment 2, Problem 2
Blood types
A3 P2

Distributions of random variables

A3 P1
A3P3
Assignment 4 Problem 1
A4P2
Area Under Curve
GRE Scores, Part II
LA weather, Part I
LA weather
Is it Bernoulli?
Eye color, Part I
Bernoulli, the mean
Underage drinking, Part I
Underage drinking
Game of dreidel
Eye color, Part II
Exploring permutations
Rolling a die
University admissions
Auto insurance premiums
Overweight baggage
Heights of 10 year olds, Part III

Foundations for inference

Identify the parameter, Part I
Quality control
Repeated water samples
Waiting at an ER, Part I
Website registration
Chronic illness, Part I
Identify hypotheses, Part I
Online communication
Cyberbullying rates
Minimum wage, Part I
Working backwards, Part I
Relaxing after work
Gender pay gap in medicine
A5 P1
A5 P2
A5 P3
A5 P5
A6 P1
Population Proportions from Sample Data
Weight of Heads of Lettuce
Foothill College Student Age
Census Form Length
First Time Jail Conviction
Null Hypothesis and Alternative Hypothesis

Inference for categorical data

Orange tabbies
Vegetarian college students
National Health Plan, Part I
Taste Test
National Health Plan, Part II
Orange tabbies
Gender equality
Fireworks on July 4th
Study abroad
Social experiment, Part I
Gender and color preference
Offshore drilling, Part I
College smokers
Life after college
Browsing on the mobile device.
Vegetarian college students
Vegetarian college students

Inference for numerical data

A6 P2
Identify the critical t
Car insurance savings
Air quality
Paired or not? Part I
Global warming, Part I
Global warming, Part II
Friday the 13th, Part II
Find the p-value, Part I
GPA and major
Working backwards, Part I
Exclusive relationships
Sleep habits of New Yorkers
Statistical Power

Introduction to linear regression

The Coast Starlight, Part I
Units of regression
Husbands and wives, Part II
Match the correlation, Part III
Speed and height
Outliers, Part I
Match the correlation, Part I

Sampling and design

Experimental Design: Sleep Deprivation

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