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 zscore. 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 zscores 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 Surprise--$400 A: What is discrete and continuous? Back to board Surprise--$500 A: What is (p)(n) and (q)(n)? Back to board