STATISTICS - prediction by the numbers
The exchange of letters between two French mathematicians is widely regarded as the birth of modern probability theory. What two mathematicians were responsible for these letters? Henri Poincare and Joseph Fourier Pierre Laplace and Augustin Cauchy Rene Descartes and Evariste Galois Blaise Pascal and Pierre de Fermat
Blaise Pascal and Pierre de Fermat
In numerical weather forecasting, what is the technique called in which initial conditions are slightly altered in each simulation to create spaghetti plots? Barometric Forecasting Temperature Gradient Forecasting Guessing Ensemble Forecasting Jet Stream Forecasting
Ensemble Forecasting
Billy Beane was the general manager of what major league baseball team? Oakland Athletics Milwaukee Brewers Minnesota Twins Houston Astros
Oakland Athletics
There is great pressure for researchers to get a good P-value to validate their work. What is the term used to describe when researchers guide their data and analysis to get the results they want? Sampling Inferring Randomizing P-Hacking
P-Hacking
The results of the 2016 presidential election came down to less than 80,000 votes in what three states? Pennsylvania, Michigan, and Wisconsin Indiana, Tennessee, and Kentucky Vermont, Alabama, and Idaho Ohio, Florida, and Missouri
Pennsylvania, Michigan, and Wisconsin
Based on an approach by Thomas Bayes, the U. S. Coast Guard uses what simulation software for predicting the position of a rescue? RECONS FORES SAROPS GIMBALS
SAROPS
The ankle bones of what animal were used as early dice? Rabbit Sheep Tiger Goat
Sheep
At Stanford University, a machine learning algorithm was used to spot what type of cancer? Brain Skin Thyroid Liver
Skin
Documented in 1906, Sir Francis Galton studied a contest in which people guessed the weight of an ox. He found that although the individual guesses were all over the place, the average of all of the guesses was off by less than 1%. What is this concept called? Median Effect Wisdom of Crowds Running Average Law of Averages Error of the Measurement
Wisdom of Crowds
Consider the jar of green and red beads experiment. In order to have a +/- 5% margin of error and 90% confidence, what was the minimum number of glass beads that must be in the sample? 30 214 500 918
214
