Brian McLogan
What is a proportion
👉 Learn how to solve proportions. Two ratios are said to be proportional when the two ratios are equal. Thus, proportion problems are problems involving the equality of two ratios. When given a proportion problem with an unknown, we...
Curated Video
Comparing Variability: Medians and Interquartile Ranges
In this video, the teacher explains how to compare the variability in weights of professional baseball and soccer players using medians and interquartile ranges. They demonstrate that while baseball players are heavier on average, soccer...
Brian McLogan
How to use the medians of similar triangles to determine the missing length
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
Curated Video
Measures of Variation: Range, Interquartile Range, and Percentile Range
This video explains the different measures of variation, specifically the range, interquartile range, and percentile range. The host demonstrates how each measure is calculated and defines the various quartiles and percentiles used in...
Curated Video
Compare Populations Using Median
In this video, students are taught to read and interpret dot and line plots, and use them to estimate the median of each population. By comparing the medians, students can make inferences about the data and draw conclusions about which...
Curated Video
Describing the Spread of Data: Range, Interquartile Range, and Mean Absolute Deviation
In this video, students will learn how to describe the spread of data using different measures. They will be introduced to the concepts of range, interquartile range, and mean absolute deviation.
Brian McLogan
Learn how to determine the mean from a set of data
👉 Learn how to find the mean, the median, and the mode of a set of data. The (arithmetic) mean of a set of data is the average of the set of data and is obtained by adding up the numbers in the set of data and dividing it by the count of...
Brian McLogan
How to determine the scale factor of a dilation for enlargement
👉 Learn about dilations. Dilation is the transformation of a shape by a scale factor to produce an image that is similar to the original shape but is different in size from the original shape. A dilation that creates a larger image is...
KnowMo
Calculating Averages from Grouped Frequency Table
This video explains how to calculate averages (mean, median, mode, and range) from a grouped frequency table. The presenter demonstrates how to estimate the mean using midpoints and frequencies, how to calculate the median using the...
Curated Video
GCSE Secondary Maths Age 13-17 - Probability & Statistics: Cumulative Frequency Graph - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
KnowMo
Introduction to Box Plots: Understanding and Constructing Them
This video explains what box plots are and how to interpret and construct them. It provides specific information on the different components of a box plot, including the minimum and maximum values, quartiles, range, and median. The video...
Brian McLogan
Special segments of similar triangles medians
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
KnowMo
Understanding Quartiles and Box Plots for Data Analysis
This video explains the concept of quartiles and box plots, which are used to analyze and visualize data sets. The video also explains how to determine the quartiles using a cumulative frequency graph and how to draw a box plot to...
Curated Video
GCSE Secondary Maths Age 13-17 - Probability & Statistics: Mean, Median and Range - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Curated Video
Representing Outliers in a Boxplot Using Quartiles
In this video, students learn how to represent outliers in a boxplot by using quartiles. The video explains the five-number summary of a boxplot and demonstrates how to calculate the interquartile range. It then shows how to identify and...
Brian McLogan
Geometry - What is the triangle bisector theorem
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
Mr. Beat
William McKinley: From Religious Man to Imperialist President
This video is a musical tribute to William McKinley, the 25th President of the United States, who is remembered for his love of the gold standard and his role in the Spanish-American War, which unknowingly sparked the beginning of US...
Curated Video
Understanding Measures of Center and Variance Using Line Plots and Number Lines
In this video, students learn about the difference between the measure of center and the measure of variance. They use a line plot and a number line to find the median and variance of a set of data. The teacher explains that the measure...
Curated Video
Choosing the Best Graphs for Data Using Measures of Center
Explore the concepts of median, mode, and range, and demonstrates how these measures can help determine which graph would be most useful. This video provides examples and comparisons of dot plots, histograms, and box plots, highlighting...
Curated Video
Analyzing Two Histograms: Comparing Center and Spread
This video demonstrates how to compare center and spread of histograms using the example of high school students' expected age of marriage compared to the age at which people 65 and over actually got married. The video explains how to...
R Programming 101
R programming for beginners - Using functions and objects in R
R Programming is easy. In this video, you'll learn about how to work with data by applying functions to objects. Understanding this process is the first step in learning R programming. This is part of the "R programming for beginners"...
Fun Robotics
Understanding Boxplot
Explains how to read a boxplot including all the parameters associated with it.
Brian McLogan
How congruent triangles compare to similar triangles
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
Curated Video
Analyzing Data: Comparing Sets with Outliers
In this video, the teacher explains how to compare two sets of data when there is an outlier. They discuss the use of measures of center and measures of spread, such as median and interquartile range, to analyze the data.