The phrase "be within the norm" is correct and usable in written English.
You can use it to describe something or someone that is typical or usual for the given situation. For example, "The results of the tests were within the norm, so the patient was given a clean bill of health."
Safin believes his night life is within the norm.
Whatever else these ideas are, "within the norm" is not one of them.
"We look for a height-weight ratio that is within the norm," Dr. Sims explains.
Mr. Wells said he was spending more than $1,000 a month on heating oil in winter, which, judging from the estimates others gave, is within the norm.
Mr. Spears, of the F.D.A., said of the Sulzer knee implant, "It looks like the failure to bond for this particular product is within the norm within the industry".
Surveys carried out for the Port Authority do indicate that the background wake motions created by the transit of the ships "don't cause any damage to buildings and that pollution levels are within the norm," said Michela Scibilia, the president of a residents' organization, 40xVenezia.
Audiometry with air- and bone-conduction thresholds was within the norm (Headache group: 10.9 Hz ± 1.8 DS; Control group: 10.5 Hz ± 2.5 DS) and there were no statistical differences hearing threshold levels among patients with primary headache and the control group (p = 0.704).
Venous blood saturation in the two groups reliably did not differ and was within the norm.
The serum concentrations of cancer markers CEA, AFP, CA 19-9, CA 125, HE4, CA 15-3 are within the norm.
He said that some of the commission's recommendations had already been adopted since the scandal broke in January and that he was confident that these steps were "within the norms of canon law" and so would withstand Vatican scrutiny.
