There are a large number of inspections with a `score` of `-1`. These are probably missing values. Let's see what types of inspections have scores and which do not (score of -1). We have defined for you a new column `'Missing Score'` that shows `True` if the score for that business is `-1` to help you out with the analysis. Use `.groupby` to find out the number of scores that every combination of `type` and `Missing Score` can take on. The result should be a **`DataFrame`** that should look *