The phrase "a poor set of" is correct and usable in written English.
It can be used to describe a collection or group of items, ideas, or qualities that are lacking in quality or effectiveness.
Example: "The report presented a poor set of recommendations that failed to address the main issues."
Alternatives: "an inadequate collection of" or "a subpar group of".
America's big banks reported a poor set of quarterly earnings.
Lorne Daniel at finnCap said: A poor set of results – as expected, following the recent trading update.
The convincing win will provide solace to the Labour leader, Jeremy Corbyn, after a poor set of election results overnight in Scotland, England and Wales.
Scotland in particular suffered a poor set of results, with substantial falls in reading and science compounded by a fall in maths.
Of particular interest is Barclays' full-year report tomorrow, after the group disappointed the market with a poor set of interims last year.
Back in the UK, consumer stocks were under pressure, with retailers in particular hit by a Goldman Sachs downgrade and a poor set of figures from Mike Ashley's Sports Direct International, which fell 8.25p to 63.5p.
The volatility of the Republican race and the failure of a clear frontrunner to emerge has led accusations that there is a particularly poor set of candidates this time round.
If the changes blurred any attempt to guess at what Klinsmann's overarching vision for his team might be, the results doused any flames flickering under the managerial hot seat following a largely poor set of performances and results post-Brazil.
When federal health officials tracked him down in Rome, they offered what Mr. Speaker said was a very poor set of options, and let him know that he would be placed on a no-fly list to restrict his movement, officials at the disease centers said yesterday.
Because the problem has a many-to-one mapping, it happens that a solution has a good match with the target speech when only the synthetic speech is taken into account, but a relatively poor set of input parameters.
Americans bought foreign goods in December rather than stimulating domestic output, wholesale inflation surged last month and manufacturing suffered in February, a surprisingly poor set of economic reports showed Thursday.
