{"name":"What is the purpose of the AVG() function in SQL?", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"What is the purpose of the AVG() function in SQL?, Which of the following functions can be used to find the highest value in a column?, What does the COUNT() function do in SQL?","img":"https://www.quiz-maker.com/3012/images/ogquiz.png"}