Exam 2 Part 2 Question 5

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Across
  1. 5. A statistical test used to compare the variances of two populations. In the context of the article, it is used to analyze the variance in trivia scores.
  2. 6. Coefficients in a regression analysis that have been standardized so that the data have a mean of 0 and a standard deviation of 1.
  3. 8. A statistical concept that represents the number of independent values in a study minus the number of statistical constraints. In the article, it's mentioned as F(3, 56), indicating 3 and 56 degrees of freedom for two groups.
  4. 9. In linear regression, the expected mean value of the dependent variable when all independent variables are zero. The article mentions 64.09 as an intercept.
Down
  1. 1. A general statement or default position that there is no relationship between two measured phenomena. Rejecting or not rejecting the null hypothesis is a key decision in statistical hypothesis testing.
  2. 2. A measure of the statistical accuracy of an estimate, equal to the standard deviation of the theoretical distribution of a large population of such estimates. It's mentioned as SE = 3.71 in one of the statements.
  3. 3. he probability of obtaining test results at least as extreme as the observed results, assuming that the null hypothesis is correct. The article discusses incorrect and correct p-values in different contexts.
  4. 4. A measure of the amount of variation or dispersion in a set of values. Used in the article to describe how much a group's performance deviates from the mean.
  5. 7. A group in an experiment or study that serves as a standard or baseline for comparison. In the article, the Pokemon Go group is the reference group.