Refer to the data set of 20 randomly selected presidents given below. Treat the data as a sample and find the proportion of presidents who were taller than their opponents. Use that result to construct a 95% confidence estimate of the population percentage. Based on the result, does it appear that greater height is an advantage for presidential candidates? Why or why not? E Click the icon to view the table of heights. - X President and Opponent Height Construct a 95% confidence interval estimate of the percentage of presidents who were taller than their opponents. D%

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Average

In mathematics, everyone must have heard the term average in one place or other. Almost all types of calculation require taking out an average. In everyday life, the term is used for denoting a certain amount that can be said to be a typical quantity for multiple people or objects. In other words, if a group of people possesses a certain object, then the average gives us an idea regarding the quantity of the object possessed by each person. However, this is solely based on mathematical calculation. It is important to note that most people will not strictly have the average value in a group.