Maths Sampling

ancillary Statistics Chapter 1: Introduction statistical Methods in Problem serve up misuse 1: criterion 2: Step 3: Step 4: Step 5: Identify Problems platform and Collect Data sort and Simplify Data autumn Data Draw Conclusions 1.1 translation of statistics The word statistics has 2 meanings. 1. Statistics refers to numeric facts. The student cosmos of UTAR is over 2000 in 2003. The age of a student, the passing percentage of an examination. Statistics refers to the eye socket or discipline of study. Statistics is a root of methods that are utilize to collect, analyze, present, and interpret selective information and to provide decisions. 2. 1.2 Types of Statistics Statistics descriptive statistics Inferential statistics 1. Descriptive Statistics Consists of methods for organizing, displaying, and describing data by using tables, graphs, and heavyset mensurates. Deals with the description and compendium of a given collection of data. Present reading in a convenient, usable and explicable form. Inductive Statistics (Inferential Statistics) Consists of methods that use pattern results to make decisions or predictions most a macrocosm.

Deals with the problems of making inferences or drawing conclusions about population based on information obtained from the samples taken from the population. 2. Chapter 1 - 1  ancillary Statistics 1.3 universe versus strain Population or Target Population Consists of some(prenominal) elements -- individuals, items, or objects -- whose characteristics are cosmos studied. Sample A broadcast of the population selected for study. Example 1.1 imagine we wanted to study the coarse top of the students of UTAR. To do so, light speed students were selected randomly from all Faculties and their high school were measured. deposit the population and the sample. Population Parameter A mathematical measure (mean, median, mode, range, variance, standard deviation) compute for a population data set. Sample statistic A summary measure...If you want to get a sound essay, order it on our website: Ordercustompaper.com

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