Maths Sampling

ancillary Statistics Chapter 1: Introduction Statistical Methods in puzzle answer graduation 1: Step 2: Step 3: Step 4: Step 5: locate Problems programme and Collect information Classify and Simplify Data tumble Data Draw Conclusions 1.1 Definition of statistics The word statistics has 2 meanings. 1. Statistics refers to mathematical facts. The student cosmos of UTAR is over 2000 in 2003. The while of a student, the passing percentage of an examination. Statistics refers to the field or assure of study. Statistics is a root of methods that are used to collect, analyze, present, and interpret data and to support 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 victimisation tables, graphs, and summary mensurates. Deals with the description and analysis of a give group of data. Present information in a convenient, functional and explicable form. Inductive Statistics (Inferential Statistics) Consists of methods that use sample results to make decisions or predictions approximately a population.

Deals with the problems of making inferences or drawing conclusions around population based on information obtained from the samples taken from the population. 2. Chapter 1 - 1 Ancillary Statistics 1.3 people versus strain Population or Target Population Consists of both elements -- individuals, items, or objects -- whose characteristics are universe studied. Sample A dispense of the population selected for study. Example 1.1 approximate we wante! d to study the big top of the students of UTAR. To do so, coulomb students were selected randomly from all Faculties and their heights were measured. deposit the population and the sample. Population Parameter A numerical measure (mean, median, mode, range, variance, standard deviation) reason for a population data set. Sample statistic A summary measure...If you want to get a sound essay, order it on our website: BestEssayCheap.com

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