by BlastRoom
Computing the three measures of center from a list, a table or a display, and reading them back in context.
#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 cafeteria records salads sold over seven lunches: 18, 22, 15, 20, 25, 19, 23. What is the mean number of salads sold per lunch, rounded to the nearest tenth?
A garden club weighs six pumpkin samples in kilograms: 2.4, 3.1, 2.8, 4.0, 3.2, 2.9. What is the mean weight, rounded to the nearest tenth?
A library tracks books returned over eight hours: 12, 15, 9, 18, 11, 13, 10, 14. What is the mean number of books returned per hour, rounded to the nearest tenth?
A bike shop records repairs completed on five weekdays: 6, 8, 5, 9, 12. What is the mean number of repairs per weekday?
A clinic records patient wait times in minutes: 14, 20, 18, 25, 17, 16, 22, 19, 21. What is the mean wait time, rounded to the nearest tenth?
A school records riders on six bus routes: 31, 28, 35, 30, 27, 29. What is the mean number of riders per route?
An orchard records crates picked from seven rows: 44, 39, 41, 48, 42, 40, 45. What is the mean number of crates per row, rounded to the nearest tenth?
A lab records morning water temperatures in °C for eight tanks: 21, 22, 20, 23, 24, 22, 21, 25. What is the mean temperature, rounded to the nearest tenth?
An inspector records drying times in hours for eight paint samples: 6, 9, 4, 11, 7, 9, 5, 12. What is the median drying time?
A music teacher lists song lengths in minutes: 4, 5, 3, 6, 7, 4, 8. What is the median song length?
A greenhouse measures plant heights in centimeters: 18, 22, 20, 24, 19, 26. What is the median height?
A student records daily text messages: 35, 42, 28, 50, 37, 45, 31, 40, 55. What is the median number of messages?
A veterinarian weighs eight puppies in kilograms: 5.2, 6.1, 4.8, 5.7, 6.4, 5.5, 5.9, 6.0. What is the median weight?
A teacher lists quiz scores in points: 72, 85, 78, 90, 81, 76, 88. What is the median score?
A delivery service records trip distances in kilometers: 12, 18, 15, 20, 14, 16, 22, 13, 19, 17. What is the median distance?
A swim coach records lap times in seconds: 68, 72, 75, 70, 69. What is the median lap time?
A bookstore records books bought by nine customers: 1, 3, 2, 1, 4, 3, 1, 2, 3. What is the mode of these counts?
A clinic records no-shows per day: 2, 0, 1, 2, 3, 2, 1, 4. What is the mode number of no-shows?
A soccer player records goals in ten games: 0, 1, 2, 1, 3, 2, 1, 0, 2, 2. What is the mode number of goals?
A bakery records loaves left at closing: 5, 7, 6, 5, 8, 7, 9, 4. What is the mode number of loaves left?
An art class counts paintbrushes at tables: 10, 12, 11, 13, 12, 14, 12. What is the mode number of paintbrushes?
A warehouse records packages in six orders: 3, 4, 5, 6, 7, 8. What is the mode number of packages?
Use the frequency table shown for a soccer team's goals in 20 games. What is the mean number of goals per game?

Use the frequency table shown for daily bike rentals. What is the mean number of rentals per day?

The shown frequency table gives wrong answers on 11 quizzes. What is the median number of wrong answers?

A survey table shows siblings for 20 students. What is the mode number of siblings?

Use the frequency table shown for basket weights at a farm stand. What is the mean basket weight?

The frequency table shown gives bus arrival delays for 15 mornings. What is the median delay?

Five runners have a mean finishing time of 28 minutes. Four times are 25, 31, 27, and 30 minutes. What was the fifth runner's time?
Six recycling bins have a mean mass of 12 kg. Five bins have masses 10, 14, 9, 13, and 11 kg. What is the sixth bin's mass?
Eight quiz scores have a mean of 84 points. Seven scores are 80, 88, 82, 90, 85, 79, and 86 points. What is the missing score?
Seven garden plots have a mean of 18 plants. Six plots have 15, 20, 17, 19, 16, and 22 plants. How many plants are in the seventh plot?
Four lab groups collected a mean of 2.5 L of water. Three groups collected 2.0 L, 3.0 L, and 2.7 L. How much did the fourth group collect?
Ten employees handled a mean of 6 calls. Nine call counts are 4, 7, 5, 6, 8, 6, 5, 7, and 4. What is the missing call count?
A hardware store's six daily customer counts are 40, 44, 39, 41, 45, and 43, and their mean is 42 customers. What does that mean report about the six days?
A clinic's seven wait times are 8, 12, 10, 15, 9, 11, and 14 minutes, and the median is 11 minutes. What does the median report?
A coach records shoe sizes for seven players: 8, 9, 10, 9, 11, 9, 10, and the mode is 9. What does the mode report?
A shelter's five cat weights are 3, 4, 4, 5, and 9 kg, and their mean is 5 kg. What does the mean report about these cats?
A café's eight prep times are 4, 5, 5, 6, 6, 7, 8, and 25 minutes, and the median is 6 minutes. What does the median report about the orders?
A tutor's six sessions lasted 30, 30, 45, 45, 45, and 60 minutes, with a mean of 42.5 minutes. What does this mean report?
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.
Range and Interquartile Range
40 questions