| Task,Size,Question,Answer,Label,Series | |
| Outliers,512,"Given the following definitions: | |
| Outlier: The data point that significantly differs from other observations in a time series. | |
| Sudden spike: The rapid and significant increase in the value of a variable over a short period, followed by a return to the original baseline. | |
| Level shift: The significant and sustained change in the average level of a time series. | |
| Select one of the following answers that best describes the provided time series: | |
| (a) This time series has no obvious outlier. | |
| (b) This time series has a sudden spike. | |
| (c) This time series has a level shift. | |
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