Skip to main content
Ctrl+K
Open Problem Bank in Statistics - Home Open Problem Bank in Statistics - Home
  • 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
  • Repository
  • Open issue

Index

All content on this site (unless otherwise specified) is licensed under the CC BY-NC-SA 4.0 license