True or false. A person's z-score is always the same number as their raw score. Hint: The answer does not begin with the same first letter as the recent movie Identity ______ .
What is false?
100
Mean and median are two measures of central tendency. This is how you spell the third measure of central tendency.
What is M-O-D-E?
100
This is the square root of the variance. It rhymes with Man Card Steviation.
What is standard deviation?
100
True or false. We often calculate the distribution of sample means when conducting statistical studies. Hint: The answer starts with the same letter as the country with Versailles, Lyon, and Nancy.
What is false?
100
If you give a 2nd grade spelling test to 6th graders, this is the type of distribution of scores you would expect to get. (positively-skewed, symmetric, negatively-skewed) Hint: The correct answer shares the same first letter as the 37th U.S. President Richard _________ .
What is negatively-skewed?
200
If someone has a positive z-score, it (always, sometimes, never) means that they scored above the mean.
What is always?
200
Out of mean, median, and mode, this one tends to be the best measure of center for nominal data.
What is mode?
200
This is the difference between sigma and s.
What is sigma is a population parameter and s is a sample statistic?
200
This is the shape of the distribution of sample means if samples of n = 35 are taken from a chi-squared distribution.
What is normal?
200
This is one of the main mathematical differences between a histogram and a bar chart.
What is
1. Bar charts have meaningless gaps between bars?
2. Histograms are for interval and ratio data, but bar charts are for nominal data?
300
This is the rarer one of the two. An IQ of 80 (M=100, S=15) or a shoe size of 11 (M=9, S=2).
What is an IQ of 80?
300
If you have a skewed distribution, or some extreme outliers, this is usually the best measure of center to use.
What is the median?
300
Raven decides to measure the heights of all the females at OVU in inches. When she calculates the variance, these are the units.
What are inches squared?
300
True or false (100 pts each). In general, the distribution of sample means has the same mean, shape, and standard deviation as the original distribution the means were pulled from.
What is true, false, false?
300
There are three countries in the world that begin with the letter H. Score 100 pts for each.
What are Hungary, Haiti, and Honduras?
400
Janelle scores 3 pts above the mean basketball point score in a game. The average number of points per game is 9 with a standard deviation of 3. This is her z-score.
What is z=1?
400
Four relief pitchers for the Pirates have an average of 20 pitches per week. The Pirates sign a fifth pitcher and now their average is 25 pitches per week (the original four still pitch the same amount). This is how many pitches the fifth reliever throws per game.
What is 45?
400
The first official World Series was in 1903, and was played between these two teams. Score 200 pts for each.
Who were the Boston Americans and the Pittsburgh Pirates?
400
The Central Limit Theorem is aided by this Law, which states that the sample mean tends to be closer and closer to the population mean as sample size gets larger.
What is the Law of Large Numbers?
400
These two WNBA players have the record for most points in a game with 47. Score 200 pts for each.
Who are Diana Tourasi and Lauren Jackson?
500
D'Arcy scores 2 standard deviations above the MCAT mean of 24. D'Arcy's raw score was 30. This is his z-score.
What is 2?
500
Identity Thief topped the box office charts last weekend. These five movies grossed the 2nd to 6th most total. Score 100 pts for each.
What are Snitch, Escape from Planet Earth, Safe Haven, A Good Day to Die Hard, and Dark Skies?
500
For the sample of 1, 2, and 3, this is the variance.
What is 1?
500
IQ has a mean of 100 and a standard deviation of 15. If you take a random sample of 25 people and calculate their mean IQ, this is how far away from 100 it would be, on average.
What is 3 points?
500
OVU athletes on average sleep 6 hrs per night with a standard deviation of 1 hr. Adam, on average, sleeps less than 75% of OVU athletes. This is how many hours (and minutes) of sleep Adam gets a night.
What is 5 hours and 20 minutes? (give or take 10 minutes)