The phrase "average backgrounds" is correct and usable in written English.
It can be used to describe individuals or groups that come from typical or common circumstances or experiences.
Example: "The study focused on students from average backgrounds to assess the impact of socioeconomic status on academic performance."
Alternatives: "typical backgrounds" or "common backgrounds".
"He was always saying, 'Save, save, save.' " Mr. Ellin and business managers who watch his show said its central tension derives from a dilemma faced by many young stars who go from average backgrounds to sudden riches in Hollywood: squaring one's new lifestyle with one's old friends.
Lee Elliot Major, research and policy director of the Sutton Trust, a charity that promotes social mobility through education, said the intake of the most selective universities was "increasingly privileged … This is to the exclusion of children from average backgrounds, not just those from the poorest households".
Average backgrounds of ORP and DO were 279 mV and 4.74 mg/L, respectively, with standard deviations of 0.73 and 0.20, respectively (n = 60), and the range of 278.2 279.8 mV and 4.66 4.82 mg/L, respectively.
We tried to include this aspect by comparing the contrast between plumage and average backgrounds with the levels of contrast among background elements.
The Affymetrix quality report files (described under methods) -- which consist of average backgrounds, scaling factors, percentages of presence, internal controls, poly-A controls, and hybridization controls -- indicated that no significant flaws were detected (See Additional File 1B-G).
According to the WHO, the average background radiation people are exposed to worldwide is 2.4 millisieverts per year [see footnote].
One acknowledged, however, that "the value of 0.1 milliroentgens... seems significantly higher than the average background of about 0.015".
The average background radiation on the ground in the UK is around 2.5mSv a year, rising to 7 or 8mSv in areas like Cornwall.
Next they saw departures in temperature from the average background in the four poles of the sky – the first evidence of structure in the early universe.
The average background intake of the Reassessment was 61.0 pg TEQ/day, and using more current data, the average background intake was 40.6 pg TEQ/day.
The red thick line represents the average background for 20 min. The red dashed lines which follow the average background are ±1σ curves.
