Empirical Rule
The percentage of data located within 1 standard deviation of the mean.
What is 68%
The z-score corresponding to an SAT score of 630 when the mean score is 500 and the standard deviation is 100.
What is 1.3
1010
10
what is the easiest way to double money
put it in front of the mirror
How many periods are there in an ice hockey game?
3
The percentage of data located within 2 standard deviations of the mean.
What is 95%
The sign of the z-score of any data point that falls BELOW the mean.
What is a negative z score?
1100
12
what has to be broken before you use it
an egg
In which American city is the Liberty Bell located?
Philadelphia
The percent of data located within 3 standard deviations of the mean.
What is 99.7%?
The z score of a data point that is equal to the mean of the data.
What is 0?
11001
25
If you have me, you want to share me. If you share me, you din't keep me. What am I?
What is a secret?
How many players are on the field from each team in a basketball game?
5
The percent of the data that lies outside of 1 standard deviation from the mean?
What is 32%?
The area under the standard normal curve that is to the left of a z-score of 2.
What is .975
11111
31
Why you can not argue with 90 degree angle?
Because it's always right.
How many players are on the field for each team in a soccer game?
11
The percentage of data located between the mean and 1 standard deviation above the mean.
What is 34%?
The area under the standard normal curve between the z-scores of -2 and 1.
What is .815
100100100
292
Why you should never trust an atom?
Because they make up everything.
What Elton John song is one of the best selling singles in history?
Candle in the Wind 1997