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Stats/Methods I. JEOPARDY. Jeopardy. Correlation. Regression. Z-Scores. Probability. Surprise. $100. $100. $100. $100. $100. $ 200. $200. $200. $200. $200. $300. $300. $300. $300. $300. $400. $400. $400. $400. $400. $500. $500. $500. $500. $500. Correlation--$100.
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Stats/Methods I JEOPARDY
Jeopardy Correlation Regression Z-Scores Probability Surprise $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500
Correlation--$100 • When two variables tend to move in the same direction • answer
Correlation--$200 • A perfect correlation is indicated by a correlation coefficient of • answer
Correlation--$300 • On a scatterplot, a negative correlation looks like this • answer
Correlation--$400 • Compute this to determine whether a consistent relationship exists between two rank-order measures. • answer
Correlation--$500 • Conceptually, the Pearson correlation coefficient is computed by dividing _________ by _________. • answer
Regression--$100 • When drawing the regression line, what is the minimum number of points you must compute and plot? • answer
Regression--$200 • In the regression equation, “a” stands for __________. • answer
Regression--$300 • In the regression equation, a negative _____ means that Y decreases when X increases. • answer
Regression--$400 • In general, a linear relationship between x and y can be expressed by this equation • answer
Regression--$500 • The variable you will use to make predictions goes on the __axis and the variable you’re interested in predicting goes on the __axis. • answer
Z-Scores--$100 • The z-score that would indicate a score located 2 standard deviation units below the mean. • answer
Z-Scores--$200 • If a person earns a score that is equal to the population mean, that person’s z-score will be ___. • answer
Z-Scores--$300 • The distribution of z-scores always has a standard deviation of ___. • answer
Z-Scores--$400 • The two pieces of population information you need in order to transform a raw score into a z-score. • answer
Z-Scores--$500 • If the original distribution is negatively skewed, the shape of the distribution after a z-score transformation will be ___________. • answer
Probability--$100 • In general, the probability of A is computed by taking __________ and dividing by ________. • answer
Probability--$200 • For the definition of probability to be accurate, the outcomes must be obtained by a process called ___________. • answer
Probability--$300 • Provides a complete listing of z-scores and their corresponding proportions of the normal distribution. • answer
Probability--$400 • The _____ always corresponds to the larger part of the distribution, whether it is on the right-hand side or the left-hand side of the distribution. • answer
Probability--$500 • When finding the ______ for a particular score, we are always looking for the proportion of the distribution to the _____ of the x value. • answer
Surprise--$100 • In a binomial situation, if p = .75, then q = ___. • answer
Surprise--$200 • Another name for a non-directional test. • answer
Surprise--$300 • Gives the proportion of variability in y that can be explained by the variability in x. • answer
Surprise--$400 • The binomial distribution is always a _____ histogram,while the normal distribution is a ________, smooth curve. • answer
Surprise--$500 • When ___ and ___ are both at least 10, the binomial distribution is closely approximated by a normal distribution. • answer
Correlation--$100 • A: What is a positive correlation? • Back to board
Correlation--$200 • A: What is 1 (positive & negative)? • Back to board
Correlation--$300 • A: What is an envelope moving down from left to right? • Back to board
Correlation--$400 • A: What is the Spearman correlation? • Back to board
Correlation--$500 • A: What is • Degree to which x & Y vary together • Degree to which x and y vary separately • Back to board
Regression--$100 • A: What is 2? • Back to board
Regression--$200 • A: What is the y-intercept? • Back to board
Regression--$300 • A: What is slope? • Back to board
Regression--$400 • A: What is • y predicted=bx+a ? • Back to board
Regression--$500 • A: What is x and y (in that order)? • Back to board
Z-Scores--$100 • A: What is z = -2.0 ? • Back to board
Z-Scores--$200 • A: What is z = 0.00 ? • Back to board
Z-Scores--$300 • A: What is 1? • Back to board
Z-Scores--$400 • A: What are the population mean and the population standard deviation? • Back to board
Z-Scores--$500 • A: What is the same—negatively skewed? • Back to board
Probability--$100 • A: What is • # of outcomes classified as A • total # of possible outcomes • Back to board
Probability--$200 • A: What is random sampling? • Back to board
Probability--$300 • A: What is the unit normal table? • Back to board
Probability--$400 • A: What is the body? • Back to board
Probability--$500 • A: What is the percentile rank and left? • Back to board
Surprise--$100 • A: What is .25? • Back to board
Surprise--$200 • A: What is a two-tailed test? • Back to board
Surprise--$300 • A: What is the coefficient of determination (r2)? • Back to board