Delany wants to find out the way her friends are spending their summer vacation. she surveys a large number of students at a movie theater about their favorite summer activity. the results of her survey are shown on the table below.
(reading
(
(playing video
(watching

delany bases her conclusion on the results of her survey. she concludes that the favorite summer activity of most students is watching movies. which statement best describes delany's conclusion?
question 2 options:

delany's conclusion is not valid because she surveyed only students.

delany's conclusion is valid because she surveyed a large number of students.

delany's conclusion is valid because she surveyed students from many schools.

delany's conclusion is not valid because she surveyed students at a movie theater.