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by BlastRoom
Measuring spread with the full range and with the middle half, and saying which the outlier moves.
#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 greenhouse logs midday humidity as a percent on seven days: 58, 71, 64, 49, 77, 66, 55. What is the range of these readings?
A rain gauge records storm totals in millimeters: 12, 18, 25, 9, 31, 20. What is the range of the storm totals?
A track coach records sprint times in seconds: 62, 66, 68, 70, 72, 74, 76, 80. What is the range of the sprint times?
A clinic records wait times in minutes: 14, 22, 18, 35, 27, 19, 31. What is the range of these wait times?
A lab tests battery life in hours: 5, 8, 6, 11, 7, 9, 12, 10, 6. What is the range of the battery lives?
A lake crew measures water clarity in centimeters: 42, 55, 48, 61, 53, 46, 58, 50, 44, 63. What is the range?
A food truck records lunches sold each day: 83, 96, 74, 101, 88, 90, 79. What is the range of lunches sold?
A lab checks incubator temperatures in degrees Celsius: 35, 37, 36, 38, 34, 39. What is the range of the temperatures?
A cafe records cups sold in each of nine hours: 18, 24, 31, 22, 27, 35, 20, 29, 26. What is the interquartile range?
A garden club measures plant heights in centimeters: 14, 21, 18, 25, 16, 20, 23, 19. What is the interquartile range?
Seven students have quiz scores in points: 68, 75, 82, 90, 77, 85, 73. What is the interquartile range?
A warehouse weighs shipment boxes in kilograms: 42, 39, 45, 51, 44, 47, 40, 49, 46, 43. What is the interquartile range?
A library records reading minutes for 11 students: 12, 18, 25, 30, 22, 40, 35, 28, 20, 16, 24. What is the interquartile range?
A bottling line checks fill volumes in milliliters: 498, 501, 495, 503, 499, 506, 500, 497, 504. What is the interquartile range?
Six soccer players run these practice distances in kilometers: 4, 7, 5, 9, 6, 8. What is the interquartile range?
A recycling club records weekly totals in kilograms: 22, 30, 25, 28, 35, 27, 31, 24. What is the interquartile range?
A swim team records race times in seconds: 54, 49, 52, 57, 50, 53, 56, 51, 55, 48, 58, 52. What is the interquartile range?
A five-number summary for daily rainfall in millimeters is minimum 0, Q1 3, median 7, Q3 16, maximum 42. What is the interquartile range?
A five-number summary for algebra test scores is minimum 51, Q1 68, median 76, Q3 84, maximum 98. What is the interquartile range?
A transit survey summary for commute times in minutes is minimum 12, Q1 18, median 25, Q3 33, maximum 61. What is the interquartile range?
A soil report gives moisture percentages with minimum 8, Q1 14, median 19, Q3 27, maximum 38. What is the interquartile range?
A shelter summarizes puppy masses in kilograms as minimum 2.1, Q1 3.4, median 4.0, Q3 4.8, maximum 6.5. What is the interquartile range?
A box plot for bus arrival delays in minutes has Q1 at 2, median at 5, and Q3 at 11; whiskers run from 0 to 18. What is the interquartile range?
An aquarium log has pH summary minimum 6.8, Q1 7.1, median 7.3, Q3 7.6, maximum 8.0. What is the interquartile range?
Nine delivery times in minutes are 22, 25, 28, 30, 33, 35, 38, 41, and 96. The 96-minute delivery is removed. Does the range or IQR change more?
Machine cycle times in seconds are 18, 19, 19, 20, 21, 22, 22, 23, 24, and 60. The 60 is corrected to 25. Does the range or IQR change more?
Plant heights in centimeters are 10, 12, 13, 14, 15, 16, 17, and 45. If the 45-centimeter plant is removed, does the range or IQR change more?
A lab records reaction times in milliseconds: 210, 215, 218, 220, 222, 225, 229, 231, 235, and 410. If 410 is removed, does the range or IQR change more?
A club records donation amounts in dollars: 5, 6, 7, 8, 9, 10, and 50. If the 50-dollar donation is removed, does the range or IQR change more?
Fish lengths in centimeters are 21, 22, 23, 24, 25, 26, 27, and 64. If the 64-centimeter fish is removed, does the range or IQR change more?
Machine A's fill volumes have Q1 246 mL and Q3 254 mL. Machine B's have Q1 240 mL and Q3 259 mL. Which machine has the more spread-out middle half, and by how much?
Class A study times have Q1 35 minutes and Q3 52 minutes. Class B study times have Q1 41 minutes and Q3 55 minutes. Which class has the more spread-out middle half, and by how much?
North Farm tomato masses have Q1 82 g and Q3 110 g. South Farm tomato masses have Q1 76 g and Q3 96 g. Which farm has the more spread-out middle half, and by how much?
Team Red jump distances have Q1 142 cm and Q3 167 cm. Team Blue jump distances have Q1 138 cm and Q3 170 cm. Which team has the more spread-out middle half, and by how much?
Morning bus delays have Q1 3 minutes and Q3 12 minutes. Evening bus delays have Q1 5 minutes and Q3 20 minutes. Which period has the more spread-out middle half, and by how much?
A set of test scores has a minimum of 32 points and a range of 57 points. What is the maximum score?
A lab freezer log has a maximum temperature of -12 degrees Celsius and a range of 9 degrees Celsius. What is the minimum temperature?
A set of seedling heights has Q1 at 18 centimeters and an interquartile range of 11 centimeters. What is Q3?
A set of commute times has Q3 at 42 minutes and an interquartile range of 16 minutes. What is Q1?
A recycling contest's weekly totals have a minimum of 24 kilograms and a range of 31 kilograms. What is the maximum weekly total?
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.
Box Plots
40 questions
