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Statistics refers to a branch of math focusing on the collection and analysis of numbers. Most people think of it as a social science since the numbers are used to help with public policy formation and other social issues, but most view it as a branch of mathematics.
The subject has various uses such as:
Statistics is a wide discipline hence many other uses for it may not be covered here. However, it helps students make better decisions and predictions.
Since it contains many elements, statistics have a lot to cover which is divided into branches. These branches are:
This is the branch that deals with extracting insights once the data is analyzed. It is generally broad since it looks at what the data says and helps the researcher come up with a solution to the problem. For example, data on the number of road accidents may show that they occur more when cars go at high speeds so the researchers conclude that they need to lower the speeding limits to prevent accidents. Simply put, this branch of statistics helps make the subject useful in real life.
Data collection revolves around how information is gathered. There are various methodologies used to achieve this such as surveys and counting. The main challenge involved is in ensuring that the information is accurate and reliable. The process may take days or months, depending on how hard it is to collect data or the sample size required. Some of the concerns involve getting accurate information, avoiding bias, and many others to prevent incorrect information from being used.
This branch deals with the presentation and collection of data. It forms the first part of statistical analysis and requires one to design experiments, select a good focus group, and avoid bias. The final product is presented mathematically or visually in charts and graphs. These visual forms help the viewer understand the data with ease. The data is also not inclusive of theories or probabilities.
Based on this, it is no wonder that students seek help with such concepts as they may be hard for beginners. Such statistics homework helper services are liked for various reasons like the quality and other reasons outlined in our article on why you should hire an online class helper. Our experts are skilled at handling all of the above, so don’t hesitate to place your order with our homework-help statistics experts today.
There are five main methods used to acquire statistical data and they are:
This is the average or the total of the items considered divided by the number of items there are. It helps determine trends and acts as a standard or yardstick for the data being analyzed. Over time, the mean also sheds light on improvements or declines experienced.
This method analyzes the spread of data as it relates to the mean. A standard deviation that is higher than the mean shows that the data is more spread out. If the standard deviation is almost zero, the data is close to the mean.
Regression defines the relationship between a dependent variable and an independent variable. The dependent variable in this case is the data to be assessed while the independent variable is the numbers that help predict the dependent variable. Regression is displayed on a chart and shows the development of trends using points and a line. However, this method has some problems associated such as the fact that some data points on the chart are not recognized since they are an outlier.
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This statistical method tests whether a conclusion is true for a data set. It analyzes the relationship between 2 variables such as the results of research in relation to a particular population. For example, a marketer may consider using more resources for development as opposed to marketing. Hypothesis testing can help by offering information on which option they should take with regard to the choices other firms take.
Sometimes, you may have to analyze large sets of data, which can be difficult. A small size won’t give valid results, while a large sample will waste time so you need to determine a good sample size. Unfortunately, this method requires you to make certain assumptions such as the criteria to participate in the research.
To ensure you pass your statistics class, there are some tips you can use to make your studies easier. Just like the tips offered in our guide on how to get good grades in mathematics, these tips are very useful and can help you ace your statistics homework help. These include:
High school and college math require that you use a calculator. Since there are many subjects within math, there are different calculators with various functions. For statistics students, the best possible options are the TI-83 or TI-89. These have the required functionalities to help you complete complex calculations with relative ease and have been proven to improve one’s performance. Just be sure to read the manual once you get the calculator as it helps you use it effectively. You can also find a graphing calculator online.
Statistics as a subject has several levels. You will begin with the simpler concepts and increase your knowledge to reach more advanced levels. Over time, many students do not retain the knowledge of basic concepts, leading them to face difficulties later on. As such, you should make sure you properly grasp the main concepts taught at the beginning.
Your textbooks and handouts are not enough. It is essential to write down notes in each lesson to help you study later on. Your notes will also be a summary of what you grasped, hence they will be written in a way that you can understand. You can also read through these notes before class to reinforce the knowledge gained.
To ensure that you keep up with the foundational concepts, be sure to regularly revise concepts already learned. You can also peruse through material ahead of time to help prepare for class. This will give you a rough idea of what to expect. Your teacher will likely give you a physical or e-textbook that you can use. If you would like a more detailed book, you can find more books at the store or online no matter your academic level. Our statistical homework help experts will advise you to seriously implement this point, as outlined in our article on academic writing services.
Statistics involves a lot of charts. These can involve several figures and can be difficult to understand. However, using excel to form these charts is easier and helps you visualize the data better. This is especially true for graphs like those produced by linear progression since they involve several numbers and can lead to better learning. To form a chart using excel data, just click on “insert” then “recommended charts”. The app will give you several options that show different ways to present the data, and you can choose them.
Our statistics homework help free experts understand that you may be overwhelmed and exhausted at times. You may even feel tempted to skip class. This is not advisable, since you will miss out on important concepts and you will eventually fall behind thus affecting your future performance. For example, a student seeking P-value needs to know how to run a hypothesis test which requires knowledge of how to define a null hypothesis in the first place. As such, losing out on understanding core concepts can affect your future studies.
Just like it is easy to skip classes when you feel overwhelmed, students also have trouble completing their homework, especially when they do not understand it. Rushing through your homework at the last possible minute can lead to mistakes and eventual failure, so it is important to start early and ask for assistance if you are having trouble.
The internet offers numerous academic services. Not only do they range from e-textbooks, but there are also math solvers that simply require one to enter certain figures, select the type of question, and press enter. The site will then offer a solution. Such sites often deal with beginner-level concepts mostly, so you will largely use them for parts of a problem. For ideas on which solver to select, please see our article on the best free online statistics solver.
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An example of statistics is the number of consumers who prefer a particular product, the number of students in graduate programs, the number of loan defaulters, the number of animals in national parks, and similar numbers analyzing populations.
Statistical analysis involves:
Applying these steps can help one get useful insights from the data collected.
Good data should fulfill the following criteria:
Statistics will help you become a better researcher, read better, develop better observational and analytical skills, informed consumption, and have good career opportunities.
Statistics uses both qualitative and quantitative analytical methods. Quantitative data offers numerical data that can be organized while qualitative methods help in the analysis of data and its application in real life.
Statistics is a branch of mathematics that involves the collection and analysis of numerical data. This is done through various methods such as surveys, counting, hypothesis testing, and regression. There are three main branches of statistics: inferential, descriptive, and data collection. Since it is a technical subject, many students often struggle to handle it. For this reason, they use tips recommended by our statistics homework help experts such as getting a good graphing calculator, regular revision, attending classes, using an online statistics solver, or the many others outlined in this guide.
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