The best measure of center depends on the distribution of the data. In this case, the data has one outlier that is much larger than the other values ($2,000 compared to the other rents ranging from $600 to $800). This outlier could greatly affect the mean (average), pulling it towards a higher value.
In this situation, the median may be a better measure of center. The median is the middle value when the data is arranged in order. To find the median, we can first order the data from smallest to largest:
$600, $600, $600, $650, $700, $750, $800, $2,000
The median is the middle value, which is $700. This represents the "typical" rent for these apartments, as it is not affected by the outlier. Therefore, the median is the best measure of center for this data.