Standard Deviation is a very important topic studied by mathematicians and statisticians. It is of practical applicability in real-life situations. Standard deviation helps calculate the amount of deviation from a given set of values. The subject is studied broadly by students and applied in situations related to medicine. Let’s learn more about standard deviation and the importance it carries in real life.

The standard deviation is a measurement of how much a number deviates from the series’ average. If the standard deviation is low valued, it means it is closely related to the average value. If the value of standard deviation is high it means that there is a large variance between the data and the average value and thus it is not reliable. Many students view standard deviation as a bit tough subject. If that is the case with you too, then you can take **Standard Deviation Assignment Help** from BookMyEssay.

SD is actually the measurement of the deviation from the average. When the data points are away from the mean, the standard deviation is high and when the data points are near the mean, the standard deviation is low. The square root of the variance is used to compute it.

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**Calculating Standard Deviation**

As we know from the above discussion that standard deviations measure how far the result spreads from the average value. The value of standard deviation can be found out by finding the square root of variance. There is no need for students to get stressed after looking at this formula. They can always look for answers by contacting the experts of the assignment help firm BookMyEssay.

**Steps to calculating the Standard Deviation**

- Add all of the data pieces (xi) and divide by the number of data pieces to get the mean (n).
- Subtract the mean from the value of each data piece.
- Square each of the differences.
- Determine the average of the squared numbers calculated in #3, to find variance.
- Determine the square root of the variance, that is the standard deviation!

**Uses of Standard Deviation**

Though the standard deviation is a mathematical and statistical term, it finds its usability in practical day-to-day life. Let us look at some examples:

- In the Financial world, the standard deviation is used to determine the volatility of investments. Though all these terms look difficult to understand but to attempt assignments of standard deviation, you can take help from Standard Deviation Assignment Help from professional writers, BookMyEssay.
- In various firms like wealth management firms, wealth assessment firms, financial service sectors, the standard deviation is used to calculate fundamental risk management processes.
- Standard deviation helps in studying performance trends, particularly 8n the field of trading and investment.
- For comparing two sets of data with similar nature, the standard deviation is used.
- Used in the process of quality control in manufacturing and production unit. Standard deviation values are used to check the output sample against the particular sample. If the SD is greater than the expected value, the sample is rejected. SD is used in several cold drink manufacturing companies to find the sugar levels in the drink.
- Standard deviation is useful in calculating the poll results. It helps in analyzing the margin of error. While studying standard deviation, the students can ask for assignment help from the assignment help firm BookMyEssay.
- To understand the salary variations in various companies, SD is used. The difference in the salaries of employees in different companies can be analyzed by checking the standard deviation from the average salary. If the SD is higher than expected, the employees need to represent the matter to the employer.
- Weather forecasters use standard deviation to predict the weather of cities, countries, and the world.

**Disadvantages of using Standard Deviation**

- It may be hard to calculate.
- It assumes the pattern of normal distribution.
- Unable to provide a full range of data.
- SD uses the data statistics only. It plots independent variables against the frequency.

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