Data Analysis 0.0 / 5 ? PsychologyResearch methods and techniquesA2/A-levelCIE Created by: germimuhCreated on: 30-04-22 20:42 What is a measure of central tendency? A single value that attempts to describe a set of data by identifying the central position 1 of 7 How do you calculate the mean? 1. Add up all scores 2. Divide by the number of scores 2 of 7 How do you calculate the median? 1. Rank data from smallest to largest 2. Find the middle number (If two middle numbers, add together and divide by two) 3 of 7 How do you calculate the mode? The most common score in the data set 4 of 7 What is a measure of spread? An attempt to describe how similar or how varied the values of a data set are 5 of 7 How do you calculate the range? 1. Rank data from smallest to largest 2. Subtract smallest number from the largest number 3. Add 1 6 of 7 What is standard deviation? A measure of how spread out numbers are around the mean 7 of 7
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