by BlastRoom
Turning a list of values into counts, proportions and running totals, and reading each back out.
#probability_and_statistics

40 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.
A library records books checked out each hour: 3, 5, 3, 7, 5, 5, 2, 7, 5, 3. In a frequency table, what frequency is listed for 5 books?
A soccer team records goals in ten games: 0, 2, 1, 2, 3, 0, 2, 4, 1, 3. What frequency would a table list for 2 goals?
A weather club lists daily high temperatures in degrees Celsius: 18, 20, 18, 22, 19, 18, 20, 21, 18, 22, 20, 19. What is the frequency of 18 °C?
A teacher records quiz scores out of 10: 8, 7, 9, 8, 6, 8, 10, 7, 8, 9. In the frequency table, what frequency belongs with score 7?
A factory counts rejected bottles per shift: 2, 3, 2, 5, 4, 2, 3, 2, 5, 4, 2, 3. What frequency is listed for 2 rejected bottles?
A hiking club records distances walked in kilometers: 4, 6, 5, 4, 7, 6, 4, 8, 5, 6, 4. What frequency is listed for 6 km?
A cafeteria logs leftover liters of soup each day: 0, 1, 0, 2, 3, 0, 1, 2, 0. In a frequency table, what is the frequency of 0 liters?
A commuter records travel times in minutes: 12, 15, 12, 18, 20, 15, 12, 22, 18, 12. What frequency should the table show for 20 minutes?
A health class records hours of sleep: 6, 7, 8, 7, 6, 9, 7, 8, 7, 6, 10, 8. What is the frequency of 7 hours?
Of 50 students in a travel survey, 12 bike, 18 ride the bus and 20 walk. What is the relative frequency of riding the bus, as a decimal to two places?
A bakery inspects 80 loaves: 44 plain, 20 seeded and 16 sweet. What is the relative frequency of sweet loaves, as a decimal to two places?
A club vote has 36 members: 9 choose chess, 15 choose robotics and 12 choose art. What is the relative frequency of art, rounded to two decimal places?
A greenhouse has 60 seedlings: 24 basil, 18 mint and 18 parsley. What is the relative frequency of basil seedlings, as a decimal to two places?
An app log has 200 messages: 70 email, 90 chat and 40 alerts. What is the relative frequency of chat messages, as a decimal to two places?
A farm packs 75 crates: 30 apples, 15 pears and 30 peaches. What is the relative frequency of pear crates, as a decimal to two places?
A museum records 120 tickets: 48 adult, 36 student, 24 child and 12 senior. What is the relative frequency of student tickets, as a decimal to two places?
In a PE class of 25 students, 10 chose basketball, 8 chose soccer and 7 chose dance. What is the relative frequency of choosing soccer, as a decimal to two places?
A recycling center checks 90 bins: 36 paper, 27 plastic, 18 glass and 9 metal. What is the relative frequency of glass bins, as a decimal to two places?
A clinic table lists wait times: 5 patients in 0 to 9 minutes, 8 in 10 to 19, 6 in 20 to 29 and 3 in 30 to 39. What is the cumulative frequency through 19 minutes?
A plant table lists heights: 4 plants in 10 to 19 cm, 7 in 20 to 29, 10 in 30 to 39 and 5 in 40 to 49. What is the cumulative frequency through 39 cm?
A quiz-score table has 2 scores from 50 to 59, 5 from 60 to 69, 9 from 70 to 79, 7 from 80 to 89 and 3 from 90 to 99. What is the cumulative frequency through 79?
A delivery table lists times: 6 packages in 0 to 4 minutes, 9 in 5 to 9, 5 in 10 to 14 and 4 in 15 to 19. What is the cumulative frequency through 14 minutes?
A fish-length table lists 3 fish from 5 to 9 cm, 6 from 10 to 14, 8 from 15 to 19 and 5 from 20 to 24. What is the cumulative frequency through 14 cm?
A walking-distance table has 2 students at 0 to 1 km, 5 at 2 to 3, 6 at 4 to 5 and 4 at 6 to 7. What is the cumulative frequency through 5 km?
A rainfall table lists 8 days from 0 to 4 mm, 7 from 5 to 9, 4 from 10 to 14 and 1 from 15 to 19. What is the cumulative frequency through 9 mm?
A battery-life table has 3 devices from 4 to 5 hours, 4 from 6 to 7, 9 from 8 to 9, 6 from 10 to 11 and 2 from 12 to 13. What is the cumulative frequency through 9 hours?
A survey of 48 students recorded pets: 21 dog, 12 cat, 9 fish and the rest no pet. The no-pet row is blank. What frequency belongs there?
A music-practice table lists 14 students using video lessons, 11 using teacher lessons and 8 using app drills. The total row is blank. What total frequency should be listed?
A school store sold 90 notebooks: 32 blue, 18 green, 25 black and the rest red. The red row is missing. What frequency belongs in the red row?
A clinic recorded 64 appointments: 26 morning, 22 afternoon and the rest evening. The evening row is blank. What frequency should be entered?
A garden harvest table lists tomato sizes: 19 small, 27 medium and 14 large. The total row is blank. What total frequency should appear?
A PE equipment check has 100 balls total: 35 soccer balls, 28 basketballs, 17 volleyballs and the rest tennis balls. What frequency belongs in the tennis-ball row?
Field-trip sign-ups total 72 students: 18 chose the science museum, 24 chose the art museum, 16 chose the zoo and the rest chose the planetarium. What frequency belongs in the planetarium row?
A dance survey has 150 students. The relative frequency for choosing jazz is 0.28. How many students chose jazz?
A website table covers 320 visits. The relative frequency for tablet visits is 0.15. How many visits were from tablets?
A biology lab table has 75 samples. Bacteria type A has relative frequency 0.40. What frequency count belongs to type A?
A library table covers 180 checkouts. The relative frequency for e-books is 0.35. How many checkouts were e-books?
An aid station records 240 cups handed out. The relative frequency for sports drink is 0.25. What frequency count belongs to sports drink?
A theater table covers 125 tickets. The relative frequency for child tickets is 0.16. How many child tickets were sold?
A factory table covers 400 light bulbs. The relative frequency for failed inspection is 0.06. How many bulbs failed inspection?
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.
Dot Plots
20 questions