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What are the basics of statistics?

Anyone who wants to get good at statistics needs to learn the basics first. There are many ways to go around statistics in different disciplines but these are the basic five words of statistics that you need to know:

Population: this refers to all the members of a group about which you want to draw a conclusion. Some examples could be citizens of a certain country, patients of a medical clinic, the entire daily output of a cereal factory's production line, etc.

Sample: a sample is the part of the population selected for analysis. For example: you could look at the registered voters within the population of citizens in a certain country.

Parameter: a parameter is a numerical measure that describes a characteristic of a population. This could be the percentage of all registered voters who intend to vote in the next election, for example.

Statistic: a statistic is a numerical measure that describes a characteristic of a sample. Calculating statistics for a sample is the most common activity, since collecting population data is impractical for most actual decision-making situations. In the voting example, this would be the percentage in a sample of registered voters who intend to vote in the next election.

Variable: a variable is a characteristic of an item or an individual that will be analyzed using statistics. All the variables taken together form the data of an analysis. Some variables could be gender, income, race, etc.

What is the use of statistics in real life?

Statistics is the branch of mathematics which we use to analyze what is happening in the world around us. Statistical problems in real life are usually based on facts and figures. We live in the Information Age where we understand a great deal about the world around us. Much of this information was determined mathematically by using statistics. When used correctly, statistics tell us any trends in what happened in the past and can be useful in predicting what may happen in the future.

These are some real life cases where statistics are put to use:

Weather Forecasts: Have you ever heard the forecaster talk about weather models? These are computer models which are built using statistics that compare prior weather conditions with current weather to predict future weather.

Government: governments around the world use statistics to make decisions and pass judgement on issues related to health, populations, education, and much more.

Quality Testing: this is used for large companies that make thousands of products every day and make sure that they sold the best quality items. Since it is impossible to test each product they use a quality test with the help of statistics.

Emergency Preparedness: Emergency teams rely on statistics to tell them when danger may occur whether it be a hurricane or a tornado, their trajectories and the damage they might inflict.

Sports: every sport requires statistics to make it more effective. From drafting players to understanding rankings, scores and probabilities, it is useful in many ways.

Predicting Disease: you have probably heard or read things like "studies have shown that 85 to 95 percent of lung cancers are smoking related". The statistic should tell you that almost all lung cancers are related to smoking and that if you want to have a good chance of avoiding lung cancer, you shouldn't smoke.

Education: there are statistical studies about student achievement at all levels of testing and education. For example, teachers can calculate the average of students’ marks and employ new techniques that can help the students improve their grades.

Insurance: did you know that the rate that an insurance company charges you is based upon statistics from all drivers or homeowners in your area?

The Stock Market: The financial market completely relies on statistics. All the stock prices are calculated this way. Statistics help investors make decisions.

How do I get good at statistics?

If you are looking to get better at statistics the following tips can help you out:

1. Do not cram your study for four or five hours into one or two sittings each week.
2. Study in triads or quads of students at least once every week.
3. Don't try to memorize formulas, instead study concepts.
4. Work as many and varied problems and exercises as you possibly can.
5. Look for reoccurring themes in statistics.
6. Recognize that the whole of statistics is greater than the sum of its parts.
7. Find a private tutor that can help you master statistics!

How do I start learning statistics?

Are you ready to start learning statistics in Halifax, Quebec? You are in luck: Superprof has a wide network of private tutors in Halifax and all over Canada who can help you get your statistics skills to a whole new level.

Whether you are looking for an elementary level tutor or a university level tutor, there are profiles for every need and taste, it is only a matter of connecting with the right teacher for you.

We have more than 120 statistics tutors in Halifax, Quebec, all ready to show you the world of statistics and make sure that you are hitting your marks in this subject.

The average price per hour of statistics class in Halifax with Superprof is $25 dollars but this can vary depending on the tutor's profile, their experience as teachers and other factors.

Some questions you can ask to get to know your tutor better are:

How long have you been teaching statistics?

What is your teaching method?

Do you have any diplomas or certificates?

What is your hourly rate?

Do you give in-person and online classes?

You can also check other students' opinions on the tutors Superprof profile since it is an excellent way of knowing what lessons with said teacher are like.

A final tip is to ask for a trial class where you both can meet each other, align on objectives and expectations and make sure that you are on the same page. Get ready to start learning everything about the world of statistics with Superprof!