A researcher measures the self-reported anxiety scores of a sample of participants on a scale of 1 to 50. The resulting dataset has a strong positive skew.
Which of the following statements is correct regarding the descriptive statistics of this dataset?
The mean will be lower than the median, and the range is a more robust measure of dispersion than the standard deviation.
The mean will be higher than the median, and the median is the most appropriate measure of central tendency to represent the typical score.
The mode will be higher than the mean, and the standard deviation is unaffected by the positive skew.
The median will be higher than the mean, and the range is the most sensitive measure of dispersion to all data points in the sample.
513 exam-style questions on OCR A Level Psychology Data recording, analysis and presentation. Each one has a worked solution and a mark scheme showing where the marks go.