Calculating and Understanding the Mean

The video tutorial explains the concept of the mean, often referred to as the average, and how it is calculated by summing all observed values and dividing by the number of observations. Using a practical example of rainfall data collected by Rose, the tutorial demonstrates the calculation of the mean and illustrates how it can be visually represented using a bar graph. The tutorial also explores the impact of outliers on the mean, showing how a significantly larger value can increase the mean. The lesson concludes with a summary of the key points covered.

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