Real life

Statistics, straight from real life.

No charts, no tickers, no trading. Just the everyday places where statistics quietly fools all of us: the morning after, the wedding bet, the five-star bar with three reviews. Uncle Gary appears in most of them, usually holding a drink.

Probability

What Are the Odds of Being Struck by Lightning? And Does It Strike Twice?

Lightning: 1 in 1.2 million a year, 1 in 15,300 in a lifetime. 240 times likelier than a jackpot, and it strikes twice all the time.

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Sources

Do Lottery Winners Really Go Broke? The 70% Statistic Nobody Can Find

'70% of lottery winners go broke' is everywhere. The organisation it's credited to says it never measured that. Real data: about 1 in 18.

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Probability

Why Does It Always Rain on the Weekend?

Gary's barbecue was rained off three weekends running. If 30% of days are wet, 51% of weekends get rain. The weather doesn't know your plans.

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Probability

What Are the Odds of Winning the Lottery? And Does It Have a Pattern?

Gary plays birthdays and 'hot numbers'. Kevin plays 1-2-3-4-5. Same odds: 1 in 292,201,338. The lottery has no pattern, only a price.

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Probability

Is It a Coincidence or a Sign?

Linda sees 11:11 several times a week. Check the time 50 times a day and you'd be stranger not to. A coincidence counts hits, not chances.

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Randomness

Why Do Bad Things Happen in Threes?

Car, boiler, phone in the soup. Gary says bad things come in threes. Random luck clumps: three in one week happens in 82% of years.

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Surveys

The Group Chat Vote: 80% Want Christmas at Ours

Four of five votes in the family chat said Christmas at Gary's. The family has 14 members. Real support: anywhere from 29% to 93%.

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Sunk costs

The Sunk Cost Fallacy: The Sunk Cost Fallacy: Gary's Camper Van Will Pay for Itself

Gary won't sell the van until it pays for itself. At two trips a year, it never will. His spreadsheet says it's 40% there.

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Averages

The Thermostat War: Why Splitting the Difference Pleases Nobody

Gary likes 66°F, Linda 74°F. Their 70°F compromise has lasted 31 years. It's the only setting where nobody is comfortable.

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Probability

How Long Does It Take to Form a Habit? Why Your Routine Lasts Four Days

Linda's new routine lasted four days. Gary predicted it. He didn't know Linda, he knew a formula.

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Sampling

The Friendship Paradox: Why The Friendship Paradox: Why "Everyone Else Is Allowed"

Mia says everyone else is allowed out until midnight. In her class, 1 in 5 is. Among her friends, 3 in 4 are. She isn't lying.

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Luck vs skill

Is Fantasy Football Luck or Skill? Kevin's Three Titles, Tested

Kevin won his fantasy league three years running: a 1 in 1,728 chance. Across 10,000 leagues, luck makes 69 Kevins.

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Memory

Who Does More Housework? Why Couples Add Up to 140%

Gary says he does 70% of the housework. Linda says she does 70%. Kevin says 30%. The dishes are still in the sink.

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Probability

What Does a 30% Chance of Rain Mean? The Weather App Didn't Lie

30% chance of rain, said the app. Gary heard '70% chance of nothing'. Over ten such days, his plan gets him soaked 97% of the time.

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Correlation

Can Achy Joints Predict the Weather? Grandpa's Knee, Tested

Grandpa Frank's knee has predicted rain for forty years and has never been wrong. We counted the four boxes.

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Black Friday maths

Are Black Friday Deals Really Saving You Money? We Each Saved 30%

Linda saved $180. Gary saved $300. Together they spent $420 more than they planned. Both numbers are true.

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Percentages

Is 50% Off Actually Saving You Money?

Aunt Linda's coat was 50% off, then another 50% off. 'Practically free', she said. It was 25% of the price.

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Probability

Why You Always Pick the Slowest Queue

Gary studies three queues like a chess grandmaster and still loses. He's not unlucky. He's outnumbered.

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Streaks and probability

How Many Bad Days in a Row Before the Universe Is Against You?

Gary's quiz team lost ten weeks in a row and blamed the quizmaster. The maths says it was more likely than not.

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Mean and median

Why Most Drivers Really Can Be Better Than Average

Most drivers think they're better than average. Mathematically, most of them can be. Thank Kevin.

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Combinatorics

Where Do Missing Socks Go? A Statistical Investigation

Socks disappear one at a time, but pairs die in bulk. Lose 30% of your socks and more than half the pairs are gone.

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Regression to the mean

Do Hangover Cures Work? Why Every One of Them Seems To

Uncle Gary's pickle juice works every time. So does a glass of water and some cartoons. Meet regression to the mean.

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Probability

The Birthday Paradox Explained at a Wedding

Kevin bets Gary $20 at a wedding with a free bar. Gary should have counted the pairs.

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Sample size

Are Online Reviews Trustworthy? Are Online Reviews Trustworthy? Five Stars From Seven Reviews

A 5.0 cocktail bar with three reviews versus a 4.5 pub with 1,800. One of them has the owner's mum on its side.

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Office stories (KPIs, dashboards, meetings about meetings) have their own section: Corporate life.