"a novel of average merit"; "only a fair performance of the sonata"; "in fair health"; "the caliber of the students has gone from mediocre to above average"; "the performance was middling at best"
"an orange of average size"; "intermediate capacity"; "medium bombers"
"the average income in New England is below that of the nation"; "of average height for his age"; "the mean annual rainfall"
"the median value of 17, 20, and 36 is 20"; "the median income for the year was $15,000"
"the modal age at which American novelists reach their peak is 30"
"average people"; "the ordinary (or common) man in the street"
"he is about average in height"; "the snowfall this month is below average"
"it set the norm for American homes"
"He averaged a C"
"The number of hours I work per work averages out to 40"