Establish Statistic Pdf For Free

Statistics is defined as the science of collecting, organizing, presenting, analyzing and interpreting numerical data for the purpose of assisting in. making a more effective decision. Classifications: Depending on how data can be used, statistics is sometimes divided in to two main areas or branches.

Data are individual pieces of factual information recorded and used for the purpose of analysis. It is the raw information from which statistics are created. Statistics are the results of data analysis - its interpretation and presentation.

Step 1: Write your hypotheses and plan your research design. ... Step 2: Collect data from a sample. ... Step 3: Summarize your data with descriptive statistics. ... Step 4: Test hypotheses or make estimates with inferential statistics. ... Step 5: Interpret your results.

Data is any numerical or. categorical data. Statistics is used to predict and make decisions. Describing is done through. statistical formulas, and analysis is interpretation of this data through statistical formula also.

The main purpose of using statistics is to plan the collected data in terms of experimental designs and statistical surveys. Statistics is considered a mathematical science that works with numerical data. In short, statistics is a crucial process which helps to make the decision based on the data.

Statistics is the science deals with collection, classification, summarizing, organizing and interpretation of data to make inference and draw conclusions based on data. While statistic (as a singular) is a single measure of some attribute of a sample.

We begin by introducing two general types of statistics: Descriptive statistics: statistics that summarize observations. Inferential statistics: statistics used to interpret the meaning of descriptive statistics.