Statistics Final Ch. 1-3 Question & Answers

Statistics Questions & Answers Binomial Experiment - ANSWER: Experiment with a fixed number of trials, 2 outcomes, constant probability of success, and trials are independent. Chebysheffs Theorem - ANSWER: (1-1/K^2) of the data's values lie withink K standard deviations. Cluster Sampling - ANSWER: The members of a subset (cluster) are heterogenous; a random sample of clusters is taken and the members of the selected clusters constitute the sample for the study. Coefficient of Determination - ANSWER: Measures the amount of variation in the dependent variable Y that is explained by the independent variable X. Confidence Level - ANSWER: The proportion of times that an estimating procedure will be correct Continuous - ANSWER: A random variable where the values are uncountable Corpus - ANSWER: Collection of texts used to analyze a language and verify its linguistic properties Cross Sectional - ANSWER: Measured at relatively the same time. Time of measurement is not of interest to the researcher. Cumulative Distribution Function - ANSWER: The probability that X is less than x is equal to: x minus the lower parameter over the difference between parameters. Descriptive Statistics - ANSWER: Methods of organizing, summarizing, and presenting data Discrete - ANSWER: A random variable that can take on a countable number of values