Z-scores?
For the distribution of z-scores, this is the mean.
what is 0?
This is the percent of data that falls within 3 standard deviations above and below the mean of a Normal distribution.
What is 99.7%?
In a Normal distribution with mean 8.5 and standard deviation 1.2, this is the percentage of data that falls to the left of 6.
What is 1.86%?
Q3 is associated with this percentile of a dataset.
What is the 75th percentile?
This is the smallest country in the world.
What is Vatican City?
A z-score of -2.5 means this about the location of the original data point.
What is 2.5 standard deviations below the mean.
These are the three characteristics describing the shape of a Normal distribution.
What is symmetric, single-peaked and bell-shaped?
In a Normal distribution with mean 103 and standard deviation 12.6, this is the percentage of data that is greater than 124.
What is 4.78%?
If a student's test score is at the 90th percentile, this is what it mean in terms of performance compared to others.
What is they performed better than 90% of other test takers.
This is the "King of Pop"
Who is Michael Jackson?
This is the z-score of a data point with a value of 80 in a distribution with mean 75 and standard deviation 3.
What is 1.67?
This is the area under a Normal curve.
What is 1?
In a Normal distribution with mean 55, and standard deviation 7.8, this is the percentage of data that falls between 51 and 59.
What is 39.2%?
The median of a normal distribution is at this percentile.
What is the 50th percentile?
This is Taylor Swift's most streamed song.
What is Blank Space?
This is the percentage of the data that falls between -1 and 1 on the Standard Normal distribution.
What is 68%?
If the Normal probability plot of a distribution is this, then your data is approximately Normal.
What is linear?
What is 0.84?
This is a visual representation of percentiles of a distribution.
What is a cumulative relative frequency graph?
Of the English, Math, Science, History, World Languages, and Theology departments at Prep, this is the only department that does not have a Prep alum as a teacher.
What is the Theology department?
This is the value of the data point that has a z-score of 3.18, and a distribution with a mean of 27 and standard deviation 2.83.
What is 36?
This is the percentage of the data that falls to the right of 2 standard deviations above the mean of a Normal distribution.
What is 2.5%
What is 76.26?
For the NYC marathon, Bob finishing at the 90th percentile means this.
What is 90% of runners ran faster than Bob/ 90% of runners had a shorter marathon time than Bob.
In Harry Potter, this is the name of the character who kills Voldemort's snake, Nagini.
Who is Neville Longbottom?