Keyword Planner can do all of these things except:
- suggest keywords and ad groups that may not have occurred to you
- multiply keyword lists together
- provide Quality Score estimates and validate keywords
- provide historical statistics on search volume
The correct answer is: provide Quality Score estimates and validate keywords
Explanation: Keyword Planner cannot provide Quality Score estimates and validate keywords. Keyword Planner is a free Google Ads tool for new or experienced advertisers that’s like a workshop for building new Search Network campaigns or expanding existing ones. You can search for keyword and ad group ideas, see how a list of keywords might perform, and even create a new keyword list by multiplying several lists of keywords together. Keyword Planner can also help you choose competitive bids and budgets to use with your campaigns.