A recent survey asked 90 students "How many hours do you spend on the computer in a typical day?" Of the 90 respondents 3 said 1

Question

3 years ago

7

A recent survey asked 90 students "How many hours do you spend on the computer in a typical day?" Of the 90 respondents 3 said 1

hour, 5 said 2 hours, 15 said 3 hours, 25 said 4 hours, 20 said 5 hours, 15 said 6 hours, 5 said 7 hours 1 said 8 hours and 1 said 9 hours. What is the average (mean) number of hours spent on the computer?

Mathematics

1 answer:

Likurg_2 [28] · Answer 1 · 2022-06-30T00:06:43+03:00

Likurg_2 [28]3 years ago

5 0

Answer:

5 hours.

Step-by-step explanation:

Add up all times and divide by the number of times.

1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 45

9 different times.

45 / 9 = 5