The phrase "a range of people" is correct and usable in written English. You can use it to refer to a group of people with differing characteristics or attributes, coming from different backgrounds or located in different geographic locations. For example: "The survey results were analyzed by a range of people living in both rural and urban areas."
"We've had a range of people here.
Occupational therapists work with a range of people.
We asked a range of people for their opinions.
"That's my dream -- to reach a range of people," he said.
There's been a range of people, all ages, with all kinds of different interests".
So any solution must necessarily draw on a range of people if it's to really work".
He meets a range of people and is often forced to test his assumptions and prejudices.
He says the firm does employ a range of people with different political affiliations.
This way you'll become familiar and natural at interacting with a range of people youdon't know.
Knocking about, you'll encounter a range of people and organizations with their own interests.
Interviews with a range of people over the last week underscored this uncertainty.
Ludwig does not simply clarify my doubts with English writing, it enlightens my writing with new possibilities
Simone Ivan Conte
Software Engineer at Adobe, UK