The phrase "a fairly narrow range" is correct and usable in written English.
It can be used to describe a limited selection or variety of options, characteristics, or values within a specific context.
Example: "The study focused on a fairly narrow range of temperatures to assess the material's performance."
Alternatives: "a limited range" or "a small spectrum".
Mr. Coben may not precisely repeat himself, but he operates within a fairly narrow range.
A desirable dietary intake of the minerals generally falls in a fairly narrow range.
Knight produced animations showing how each community — gut, skin and mouth — hosted a fundamentally different cast of microbial characters that varied within a fairly narrow range over time.
After the collapses of Enron and WorldCom, lawsuits were targeted at a fairly narrow range of parties: bust internet firms, their accountants and some banks.
A senior administration official acknowledged that it was not in the interests of the United States to apply pre-emptive action except in "a fairly narrow range of cases".
Although this was higher than the 4.4% reported the previous month, the building society said it had remained in a fairly narrow range, between 3% and 5%, since the summer.
Without a blood test, you don't know if you have it or not, and you don't know if your L.D.L. reading is within the fairly narrow range in which an over-the-counter statin might be useful.
Nationwide's chief economist, Robert Gardner, said: "This slowdown returns the annual pace of house price growth to the fairly narrow range between 3% and 5% that had been prevailing since the summer of 2015.
Stocks had fluctuated within a fairly narrow trading range for months, but they dropped past that range on Friday after the Labor Department said that only 32,000 jobs were added across the country in July.
This is based on prior observations that homogeneous DNA duplexes melt over a fairly narrow temperature range, while more complex mixtures of DNA duplexes melt over a wider temperature range.
