# Chapter 19 M303 Final Exam

 Data Analysis: Two Key Considerations ·        Is the variable to be analyzed by itselfor in relationship with other variables? ·        What level of measurement was used? ÊFrequency Analysis ÊA count of the number of cases thatfall into each of the response categories Interval estimates are a projection of the range within which a population parameter will lie at a given level of confidence based on a statistic obtained from a probabilistic sample ÊThis probability is normally referred to as the confidence level ÊDrawing a probability sample allows for the appropriate calculation of confidence intervals Confidence Intervals for Proportions A statement about the value of a population parameter developed for the purpose of testing Hypothesis allows us to calculate the probability of a particular result if the stated hypothesis is actually accepted statistical hypothesis test ÊThe hypothesis that a proposed result is not true for the population ÊResearchers typically attempt to reject the null hypothesis in favor of some alternative hypothesis NullHypothesis (H0) ÊThe hypothesis that a proposed result is true for the population ÊOften, we are interested in the alternative hypothesis AlternativeHypothesis (HA) AuthorAnonymous ID214559 Card SetChapter 19 M303 Final Exam Descriptionchapter 19 final exam Updated2013-04-20T01:38:52Z Show Answers