measures of central tendency

• the mode is the most common value
• the median is the middle number when they are arranged in size order
• the mean is the average value
• the symbol for mean is x̄
• if there's an even amount of data points, take the two middle ones and add them together then divide by 2 to find the median
• the formula to find the mean is add all values together then divide by how many there are
• range = largest value - smallest value