The dataset consists of 5 values ranging from 5 to 30, with a range of 25. The mean is 18.2, while the median is 21, suggesting the data is negatively skewed (left-tailed). There is no mode, indicating that all values are unique. The standard deviation is 10.03, which reflects how spread out the numbers are from the mean. Overall, the dataset shows a moderate level of dispersion and appears to be negatively skewed (left-tailed).