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KnowMo
Understanding Frequency and Two-Way Tables in Statistics
This video is a tutorial on frequency and two-way tables. The presenter explains how to collect data on a specific variable and convert it into a frequency table. They also introduce the concept of relative frequency and how to use it to...
Global Health with Greg Martin
Statistics made easy ! ! ! Learn about the t-test, the chi square test, the p value and more
Learning statistics doesn’t need to be difficult. This introduction to stats will give you an understanding of how to apply statistical tests to different types of data. You’ll learn about numeric and categorical data and gain an...
FuseSchool
Frequency Tables
In this video, we’re going to look at frequency tables.These numbers are enough to give someone a headache and there's only 200 of them.
`Lot's of datasets have thousands of even millions of pieces of data so, we...
`Lot's of datasets have thousands of even millions of pieces of data so, we...
KnowMo
Understanding Mutually Exclusive Events: Properties and Examples
The video is a lecture on mutually exclusive events and their key properties. The lecturer explains that an exhaustive list of mutually exclusive events must add up to one because only one event can occur at a given moment. They provide...
KnowMo
Introduction to Pie Charts: Constructing and Interpreting Data Representations
This video is a lecture on pie charts, a type of graph used to visualize data values in a data set. The video explains how to construct a pie chart and derive values from a pre-drawn pie chart. The instructor uses simple examples, such...
KnowMo
Introduction to Sampling: How to Select a Representative Sample
This video is a lecture about sampling, which is a method used to collect and analyze data about a population. The lecturer explains that it is often not feasible to collect data from every member of a population, so a sample is taken...
KnowMo
Calculating Expected Outcomes with Probability
This video provides a lecture on how to calculate expected outcomes when the probability of an event is known or estimated. The presenter explains that we can estimate the expected number of times an event will occur within a certain...
KnowMo
Introduction to Histograms
This video provides an explanation of histograms, which are a type of bar chart used for grouped data. The key differences between histograms and regular bar charts are explained, such as the use of frequency density on the y-axis and...
KnowMo
The Limits of Correlation: Understanding Causation and Making Predictions
The video is a lecture on the limits of correlation in statistics. The speaker discusses the importance of being careful when interpreting correlations and emphasizes that correlation does not infer causation. The video covers topics...
KnowMo
Introduction to Venn Diagrams
The video is a lecture on Venn diagrams, which are tools used to visualize sets and their elements. The presenter explains the different components of a typical Venn diagram, such as the Universal Set, individual sets represented by...
KnowMo
Constructing and Interpreting Frequency Tables
This video explains how to construct and interpret frequency tables. It starts by defining what frequency means and how frequency tables work. The video provides an example of a survey where Jenny asked her friends about their favorite...
KnowMo
Understanding Correlation and Scatter Graphs
This video explains the concept of correlation and how it can be identified using scatter graphs. It discusses positive correlation, where two variables increase together, and negative correlation, where one variable increases while the...
KnowMo
Calculating Averages and Measures of Spread
This video explains how to calculate different types of averages and a measure of spread when working with data. The three main types of averages discussed are mean, median, and mode, with examples provided for each. The video also...