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*Like any other statistical measure, mean deviation also possesses a number of merits and demerits. These are outlined here as under in the light of the characteristics of an ideal measure of dispersion. Live Chat.*

- Advantages and Disadvantages of Measures of Variability
- Merits and Demerits of Mean Deviation in Business Cycle
- 8.0 merits and demerits of standard deviation

*The term variance refers to a statistical measurement of the spread between numbers in a data set.*

## Advantages and Disadvantages of Measures of Variability

If you continue browsing the site, you agree to the use of cookies on this website. This is found by adding the numbers in a data set and dividing by the number of observations in the data set. The mean is often denoted by a little bar over the symbol for the variable, e. Mean and standard deviation problems along with their solutions at the bottom of the page are presented. Descriptive statistics summarize data. Content Standard 2: Students examine data and describe characteristics of a distribution, relate data to the situation from which they arose, and use data to answer questions convincingly and persuasively.

Problems related to data sets as well as grouped data are discussed. In earlier classes, you have studied measures of central tendency such as mean, mode, median of ungrouped and grouped data. Find the mean and median. Elementary statistics formulas Statistics formulas such as mean median mode, variance, and standard deviation formulas are given here in accordance with the number of observations n Median, Standard Deviation The mean is found by adding all the values in the set, then dividing the sum by the number of values. This is found by taking the sum of the observations and dividing by their number. Mean and Standard Deviation The mean The median is not the only measure of central value for a distribution.

## Merits and Demerits of Mean Deviation in Business Cycle

Never miss a great news story! Get instant notifications from Economic Times Allow Not now. Moving average convergence divergence, or MACD, is one of the most popular tools or momentum indicators used in technical analysis. This was developed by Gerald Appel towards the end of s. This indicator is used to understand the momentum and its directional strength by calculating the difference between two time period intervals, which are a collection of historical time series. Management buyout MBO is a type of acquisition where a group led by people in the current management of a company buy out majority of the shares from existing shareholders and take control of the company.

Merits and demerits of mean deviation are it is simple to understand. It is not rigidly defined in the sense that it is computed from any central value viz. Mean.

## 8.0 merits and demerits of standard deviation

The term "arithmetic mean" is preferred in some contexts in mathematics and statistics, because it helps distinguish it from other means , such as the geometric mean and the harmonic mean. In addition to mathematics and statistics, the arithmetic mean is used frequently in many diverse fields such as economics , anthropology and history , and it is used in almost every academic field to some extent. For example, per capita income is the arithmetic average income of a nation's population. While the arithmetic mean is often used to report central tendencies , it is not a robust statistic , meaning that it is greatly influenced by outliers values that are very much larger or smaller than most of the values.

Mean deviation is a measure that removes several shortcomings of other measures i. Its merits and demerits can be discussed as below. As in case of X, every term is taken in account hence, it is certainly a better measure than other measures of dispersion i. Range, Percentile Range or Quartile Range. Mean deviation is extensively used in other fields such as Economics, Business, Commerce or any other field of such type,.

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*JEE Main paper analysis February 26, shift 2, difficulty level, student reaction. JEE Main paper analysis February 26, shift 1, difficulty level, student reaction. JEE Main paper analysis February 25, shift 2, difficulty level, student reaction.*

P 25th February, Std 12th English Medium. HSC S. MARCH

*In any research, enormous data is collected and, to describe it meaningfully, one needs to summarise the same. The bulkiness of the data can be reduced by organising it into a frequency table or histogram. These measures may also help in the comparison of data.*