Table of Contents
What is Statistics?
Statistics Formula – Mean: Statistics is a branch of mathematics used to collect, analyze, and interpret data. It can be used to help make decisions, predict outcomes, and understand trends.
What Are the Various Statistics Formulas?
There are a variety of different formulas that can used for statistics. Some of the most common formulas include the mean, median, and mode, as well as the standard deviation and variance. These formulas used to calculate different descriptive statistics, which can help to summarize and describe a data set.
The Main Concepts in Statistics Are
The main concepts in statistics are population, sample, and parameter. A population the complete set of all elements of interest in a study. A sample is a subset of a population. A parameter is a numerical measure of a characteristic of a population.
Basic Statistics Formulas
The following are some basic formulas for statistics.
Mean:
The mean, or average, calculated by adding up all of the numbers in a data set and dividing by the number of data points.
Median:
The median the middle number in a data set when the data sorted in ascending order.
Mode:
The mode the most common number in a data set.
Standard Deviation:
The standard deviation is a measure of how dispersed the data is around the mean.
Let Us Understand the Above 5 Statistics Formulas With Examples :
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Mean: The arithmetical mean is the sum of a set of no, separated by the number of numbers in the collection, or simply the mean or the average.
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Median: In a sorted, ascending or descending, list of numbers, the median is the middle number and may be more representative of that data set than the average.
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Mode: The mode is the value that most frequently appears in a data value set.
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Standard Deviation: A calculation of the amount of variance or dispersion of a set of values is the standard deviation.
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Variance: The expectation of the square deviation of a random variable from its mean is variance.
Now let us look at the formula of statistics that can used while solving the problems.
