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Monday, February 3, 2014

Statistics Definitions

Part I. Definitions 1. Alpha: is used to indicate the probability of rejecting the statistical shot tested when in fact, that guesswork is true. 2. Alternative strategy: The alternative hypothesis, H1, is a statement of what a statistical hypothesis test is set up to establish. For example, in a clinical trial of a new drug, the alternative hypothesis mental reservation be that the new drug has a different effect, on average, compared to that of the current drug. 3. Back-to-Back Stemplots: Is a graphic option for lead info from two populations. The center of a back-to-back stemplot consists of a column of stems, with a vertical line on one after an opposite side. Leaves representing one data set extend from the right, and leaves representing the opposite data set extend from the left. 4. Bar Chart: is a manner of summarizing a set of categorical data. It displays the data using a occur of rectangles, of the same width, each of which represent s a particular category. 5. Bernoulli parkway: An experiment having only two possible outcomes, usually denoted achievement and failure, with the properties that the probability of occurrence of each outcome is the same in each trial and the occurrence of one excludes the occurrence of the other in any given trial. 6. Bias: is a room access which refers to how far the average statistic lies from the parameter it is estimating, that is, the error which arises when estimating a quantity. Errors from relieve oneself will cancel each other out in the long run, those from bias will not. It is also any imperious failure of a sampling method to represent its population. 7. binominal Distribution: is the take of successes in a series of trials, for example, the number of heads occurring when a coin is tossed 50 times. 8. Bivariate Data: When we brook a study that examines the relationship between two variables 9. rude: In a medical experime nt, the comparison of treatments may be dist! orted if the patient, the person...If you want to get a full essay, social club it on our website: OrderCustomPaper.com

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