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# Statistics, Data Analysis and Probability

Statistics, Data Handling and probability is vital and useful for problem solving processes. This page explains the different way to represent, organize, analyze and describe in data. Now let us learn each topic individually to understand the topics better.

## Data Analysis and Handling

Data can be handled in different ways in probability, in statistics it helps in representing numerical data with respect to experiments. It deals with not only the collection, analysis and interpretation of data, planning of the collection of data, in terms of the design of surveys and experiments. Interpretation of statistical information can often involve the development of a null hypothesis, in this assumption we can measure what ever is present. Data can be handled and analyzed easily by different ways by drawing graphs and maintaining the values in tables.

Mean is sum of numbers by total number. Median is the middle value of the list. Mode is common frequent value. In the given population and sample we can easily identify the mean, median and mode.

## Probability

Probability is way of expressing object or the individual event. Probability theory, that is used extensively in such areas of study as mathematics, statistics, finance etc. Theoretical probability is the likeliness of an event happening based on all the possible outcomes. Experimental probability of an event is the ratio of the number of times the event occurs to the total number of trials.

Compound event is the probability of occurrence depends upon the probability of occurrence of two or more independent events. Two events are dependent if the outcome or occurrence of the first affects the outcome or occurrence of the second it is called dependent event.

Probability is a branch of mathematics useful in calculating the number of events and for analyzing the data given.

## Statistics

Statistics is the science of making use of numerical data relating to groups of individuals or experiments. It deals with collection, analysis and interpretation of such data, but also the planning of the collection of data, in terms of the design of surveys and experiments. Our Online Statistics tutor can provide you help with all statistics concepts.