Question

On the opening day of a new movie, 228 people attended the premier. The manager surveyed 8 random people as they left the theater. He asked them to rate the movie on a scale of 1 to 10. Their ratings are below.

9, 2, 4, 9, 4, 7, 9, 7

Assuming that the sample was representative of the entire audience, what was the mean rating of the movie for the entire audience?
4.875
6.375
5.5

Answer 1

Find the mean..add up all the numbers and divide by how many numbers there are.

Answer 2

how i find median?

Answer 3

or mean

Answer 4

Add up all the numbers, and divide by how many numbers there are(8)

\(\dfrac{9 + 2 + 4 + 9 + 4 + 7 + 9 + 7}{8}\)

Answer 5

Can you simplify that?

Answer 6

i got it right