The phrase "amount and quality" is correct and can be used in written English.
For example, you could say, "This store offers a wide variety of products in terms of both amount and quality."
GTAT couldn't get the furnaces to make sapphire in the amount and quality required.
Both the amount and quality of food are taken into consideration.
They will want to consider both the quantity (greatest amount) and quality (materials from deep within the comet) of material.
Nurses say that taking care of many patients diminishes the amount and quality of care they can provide.
In 1915 inmates began throwing food and breaking dishes in the dining hall, protesting the amount and quality of meals.
Often both the amount and quality of food drop alarmingly in the months before the main harvest.
The two scientists said that in general, differences might arise because of the amount and quality of DNA collected.
Without sustained, adequate levels of funding, the amount and quality of basic research will suffer, perhaps for a generation, perhaps irreparably.
But she noted that some companies and most analysts felt that the amount and quality of information being disclosed had been reduced.
Satisfaction with amount and quality of scholarship was over 70%.
Any squad missing that amount and quality of players is going to struggle.
