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by BlastRoom
Telling an outlier in the y direction from a high-leverage point, and predicting what removing it does.
#probability_and_statistics
20 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.
The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
The scatterplot shows 12 trees. How does the point for the tree with a 62 cm diameter act?
The scatterplot shows 12 students. How does the point for the student who scored 98 act?
The scatterplot shows 11 runners. How does the point for the runner at 34 km act?
The scatterplot shows 12 laptops. What describes the point for the laptop with a $230 repair cost?
The scatterplot shows feed and growth for 10 aquarium tanks. The line is fitted to the 9 tanks other than the 16 g tank. Which describes the 16 g tank's point?
The scatterplot shows nurse visits and absences for 12 school weeks. How does the point for the week with 2 nurse visits act?
The scatterplot shows 10 stores and the least-squares line fitted to all 10. If the 10-thousand-sq-m store is removed, what happens to the fitted slope?
The scatterplot shows 10 greenhouse tomato plants and the least-squares line fitted to all 10. If the 12 g plant is removed, what happens to the slope?
The scatterplot shows 9 delivery routes and a fitted line. If the 28 km route is removed, what happens to the slope?
The scatterplot shows screen time and quiz scores for 10 students, with the least-squares line fitted to all 10. If the student at 9 hours is removed, how does the slope change?
The scatterplot shows 10 bike rides and the least-squares line fitted to all 10. If the 2 km ride is removed, what happens to the slope?
The scatterplot shows practice time and errors for 10 students, with the least-squares line fitted to all 10. If the 8-hour student is removed, what happens to the slope?
For 14 farms, fertilizer amount and corn yield have with one far-right low-y farm included. Without that farm, . What does the comparison show about that farm?
For 12 runners, weekly training distance and 5 km time have with one far-right low-time runner included. Without that runner, . What did the runner do to the correlation?
For 13 cafes, cups sold and afternoon temperature have with one extreme cool-day cafe included. Without that cafe, . How did that cafe affect ?
For 15 clinics, wait time and satisfaction score have . Removing one clinic gives . What does this show about that clinic's effect on ?
A line for 9 bakeries has slope 2.4 muffins per dollar of advertising. Leaving out bakery H gives 2.35; leaving out bakery K gives 0.9; leaving out bakery L gives 2.5. Which bakery is influential?
A regression for 10 sprinters has slope -0.18 seconds per training hour. Leaving out runner A gives -0.17, runner B gives -0.19, and runner C gives -0.52. Which runner is influential?
A school garden model predicts plant mass from water. The full slope is 0.36 g per mL. Leaving out plant E gives 0.37, plant F gives 0.34, and plant G gives 1.20. Which plant is influential?
A model for 11 classes has slope 4.5 test points per study hour. Leaving out class J gives 4.6, class K gives 4.4, and class L gives -0.2. Which class is influential?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.
Pick a tile, answer, hit bonuses and steals.
Bias in Samples and in Survey Questions
40 questions
