MAT 142 Chapter 3: Lesson 3.2 - Measures of Central Tendency (Mean, Median, and Mode)
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= x n x f n x x. Measures of central tendency (mean, median, and mode) Mode most frequent: given a sample of n data points, x1, x2, , xn, the ______________________________, mean. The heights of 6 people are: or the sum of data i=menym" data values. Median: the ______________________________ is the middle value of an ordered distribution of median numbers, to find it, put the data in numerical order. (include numbers that have been repeated. ) If there is an odd number of data points, the median is the middle data point. If there is an even number of data points, the median is defined to be the mean of the middle values. The gpa"s of 5 students are as follows: 2- 28 , 2- 85. 3. 01 , 3. 51 , 3. 98: 01 gpa. Mode: the ______________________________ is the most frequently attained score in a collection mode of data. It is the data point with the highest frequency.
