👋 Hey guys! Today, we’re talking about how the size of a dataset impacts the sensitivity of the mean to outliers and why the median is more robust to outliers than the mean. Let’s dive in! First, let’s look at the mean. The mean is the average value in a dataset. It’s calculated by adding […]
👋 Hey guys! Today, we’re going to talk about measures of central tendency in statistics 📊. There are 3 types: mean, median, and mode. Let’s dive in! In a symmetrical distribution, the mean, median, and mode are all close to each other. It’s like a perfectly balanced see-saw with 3 people of the same weight […]
Finding the midpoint of a histogram is a way to locate the center of a range of values. When the bins are ranges, we can find the midpoint by adding the upper and lower bounds of the range and dividing the sum by two. This gives us a value that is right in the middle […]
Data can provide evidence to support claims and help you make better arguments by showing you the facts behind an idea or concept. For example, let’s say you’re trying to convince your parents to let you get a dog. You could make an argument that having a dog will make you happier, but just saying […]
When it comes to statistical analyses, there are a variety of different data sources that can be used. Some common data sources include: Surveys or questionnaires Social media platforms Medical records Sales or financial reports Experiment or observation results Government records or databases These data sources can provide valuable information that can be used to […]
Being data literate is an important skill because it helps us think critically about the way someone collects, analyzes, and presents data. It helps us ask important questions about the data and make informed decisions. Unfortunately, there are many ways that data can be misused. For example, data can be selectively presented to support a […]
The two main types of data are qualitative and quantitative. Qualitative data is descriptive and is usually expressed in words. Quantitative data is numerical and is often represented by numbers. Here are some examples of each type: Qualitative data: Colors of cars in a parking lot Opinions of students on a new school policy Names […]
There are many different kinds or formats of data, and they can be classified into several categories: Numerical data: This type of data is expressed as numbers and can be further categorized into discrete (whole numbers) or continuous (numbers with decimals). Examples of numerical data include the height of a person, the temperature of a […]
People use data to make everyday decisions all the time. Here are some examples: Checking the weather: When you check the weather in the morning, you are using data to help you decide what to wear. If it’s going to be cold and rainy, you might choose to wear a jacket and boots. Planning a […]
In simple terms, a data point is a single piece of information, while data refers to a collection of information. For example, let’s say you’re conducting a survey to determine your classmates’ favorite ice cream flavor. Each time one of your classmates tells you their favorite flavor, that piece of information is a data point. […]
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