Seems more like your traffic makes you want to cry. That is a really low number of impressions. You should focus on traffic first.
You need TRAFFIC. With only 274 page impressions, you'll never make any money. Don't worry about CTR -- work on getting traffic.
I did not know that. Then again, you are sort of "anonymous" here unless you have a link to your website in your profile/signature.
I think it depends on the topic. Do some keyword research and see how many searches thier are for term. Some are low and some get alot of traffic but are hard to get ranked well for. Work on traffic and you should be happy.
Write new posts with unique content regularly! Keep submitting to directories! Finally the patience to continue this!