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by BlastRoom
The 68-95-99.7 rule and what it says about a data set.
#algebra_2
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.
Bolt lengths are normally distributed, as the curve shows. About what percent of bolts have lengths in the shaded region?
A normal distribution has a mean of 72 and a standard deviation of 3. About 68% of the values fall between which two values?
The curve shows a normal distribution. About what percent of values fall in the shaded region?
The curve shows a normal distribution. About what percent of values fall in the shaded region?
A normal distribution has a mean of 500 and a standard deviation of 8. About 99.7% of the values fall between which two values?
A normal distribution has a mean of 100 and a standard deviation of 12. About 95% of the values fall between which two values?
The 400 bolts in a study are normally distributed with a mean of 500 mm and a standard deviation of 8 mm. About how many fall between 492 mm and 508 mm?
Battery lifetimes are normally distributed with a mean of 100 hours and a standard deviation of 5 hours. About what percent of values fall between 90 hours and 110 hours?
Bolt lengths are normally distributed with a mean of 100 mm and a standard deviation of 5 mm. Which statement must be true?
A normal distribution has a mean of 500 and a standard deviation of 100. About what percent of values are between 500 and 600?
The 500 batteries in a study are normally distributed with a mean of 250 hours and a standard deviation of 4 hours. About how many fall between 242 hours and 258 hours?
Test scores are normally distributed with a mean of 20 and a standard deviation of 5. About what percent of values fall between 10 and 30?
Package weights are normally distributed with a mean of 500 ounces and a standard deviation of 8 ounces. Which statement must be true?
Seedling heights are normally distributed with a mean of 46 cm and a standard deviation of 3 cm. About what percent of values fall between 40 cm and 52 cm?
A normal distribution has a mean of 72 and a standard deviation of 4. About what percent of values are between 72 and 76?
The curve shows a normal distribution. About what percent of values fall in the shaded region?
A normal distribution has a mean of 100 and a standard deviation of 5. About what percent of values are between 100 and 105?
The curve shows a normal distribution. About what percent of values fall in the shaded region?
Package weights are normally distributed with a mean of 100 ounces and a standard deviation of 12 ounces. About what percent of values fall between 88 ounces and 112 ounces?
A normal distribution has a mean of 250 and a standard deviation of 8. About what percent of values are between 250 and 258?
Bolt lengths are normally distributed with a mean of 72 mm and a standard deviation of 4 mm. About what percent of values fall between 64 mm and 80 mm?
The 2,500 seedlings in a study are normally distributed with a mean of 46 cm and a standard deviation of 3 cm. About how many fall between 43 cm and 49 cm?
Package weights are normally distributed with a mean of 500 ounces and a standard deviation of 6 ounces. Which statement must be true?
A normal distribution has a mean of 20 and a standard deviation of 3. About 99.7% of the values fall between which two values?
Battery lifetimes are normally distributed with a mean of 500 hours and a standard deviation of 3 hours. About what percent of values fall between 494 hours and 506 hours?
A normal distribution has a mean of 150 and a standard deviation of 10. About what percent of values are between 150 and 160?
Test scores are normally distributed with a mean of 100 and a standard deviation of 6. About what percent of values fall between 88 and 112?
The 500 scores in a study are normally distributed with a mean of 20 and a standard deviation of 6. About how many fall between 14 and 26?
Commute times are normally distributed with a mean of 72 minutes and a standard deviation of 10 minutes. Which statement must be true?
The 1,000 commutes in a study are normally distributed with a mean of 72 minutes and a standard deviation of 4 minutes. About how many fall between 68 minutes and 76 minutes?
Battery lifetimes are normally distributed with a mean of 46 hours and a standard deviation of 6 hours. About what percent of values fall between 34 hours and 58 hours?
Test scores are normally distributed, as the curve shows. About what percent of scores fall in the shaded region?
The 500 batteries in a study are normally distributed with a mean of 500 hours and a standard deviation of 4 hours. About how many fall between 492 hours and 508 hours?
Bolt lengths are normally distributed with a mean of 150 mm and a standard deviation of 10 mm. About what percent of values fall between 130 mm and 170 mm?
A normal distribution has a mean of 72 and a standard deviation of 6. About 95% of the values fall between which two values?
The 2,500 packages in a study are normally distributed with a mean of 72 ounces and a standard deviation of 12 ounces. About how many fall between 48 ounces and 96 ounces?
A normal distribution has a mean of 150 and a standard deviation of 8. About what percent of values are greater than 166?
The 400 batteries in a study are normally distributed with a mean of 500 hours and a standard deviation of 3 hours. About how many fall between 497 hours and 503 hours?
Commute times are normally distributed with a mean of 250 minutes and a standard deviation of 10 minutes. About what percent of values fall between 230 minutes and 270 minutes?
A normal distribution has a mean of 20 and a standard deviation of 5. About 68% of the values fall between which two values?
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.
Populations and Samples
20 questions
