Which option gives a correct description of a descriptive statistic? Shade one box.
The mode is calculated by subtracting the lowest score from the highest.
The range is calculated by dividing the score total by the number of scores.
The mean is the value occurring most frequently in the data set.
The median is the middle value after scores are put in order.
56 exam-style questions on Oxford AQA IGCSE Psychology 1.5 Data handling, covering 1.5.1 Quantitative and qualitative data, 1.5.2 Primary and secondary data, 1.5.3 Mathematical expressions, 1.5.4 Measures of central tendency and range, 1.5.5 Frequency tables and diagrams, 1.5.6 Charts for data display, and 1.5.7 Normal distribution. Each one has a worked solution and a mark scheme showing where the marks go.