u could talk about it if they ask you an essay question on 'how does the government uses macroeconomic policies to sustain economic growth'.. which then u can talk about by tightening the monetary in march slowed down the economy, but still maintaining growth...
hmmz i don't remember the march interest rate hike .. i remember the two interest rate rises at the end of last year ...
You can tie in the factors that would have been relevant to the RBA in the interest rate increase; its always good to show examiners you are on top of contemporary issues so yes, its important