Patrick's Measures of Central Tendency

Wednesday, October 1, 2008
Mean:
• The Mean is the result of adding all the numbers in a set of data and dividing the sum by the number of data. To find the mean you have to add up all of the numbers in your set of data and then divide by how many numbers you added up together.
Median:
• The Median is the middle number of a set of data in numerical order. To find the median you have to put the nubmers in ascending order and see which one is directly in the middle. If there are 2 numbers in the middle then you have to add them both up and divide by 2 to find the middle.
Mode:
• The Mode is the most occurring number in a set of data. To find the mode you need to put the numbers in ascendng order so it will be much easier for you and then you just check to see which number appears the most. If there is no number that is atleast doubled in your set of data, then there is no mode.

Mean: To find the mean you need to add up all the numbers in a set of data and then divide the sum by how many numbers you added up together.

Median: To find the median you first need to arrange the numbers in ascending order and then just check to see which number is directly in the middle of all your numbers and that is your median.

Mode: To find the mode you first need to arrange your numbers in ascending order to atleast make it easier for you. Then all you need to do is find the most occurring number in your set of data.

Range: The range is the result of subtracting the smallest number from the largest number. To find the range all you need to do is arrange your numbers in ascending order and then subtract the smallest number from the largest number.

Outlier: An outlier is a number that doesn't fit in with all the other numbers.