Question

1. The data set represents the amounts of time (in minutes) spent watching

online videos each day for a random sample of 30 college students.
Assume the population standard deviation is 2.4 minutes. (Adapted from
the Council for Research Excellence)
5.0 6.25 8.0 5.5 4.75 4.5 7.2 6.6 5.8
4.2 5.4 6.75 9.8 8.2 6.4 7.8 6.5 5.5
3.8 6.75 9.25 10.0 9.6 7.2 6.4 6.8 9.8 10.2
(a) Find the point estimate of the population mean.
(b) Find the margin of error for a 95% confidence level.
(c) Construct a 95% confidence interval for the population mean.
Interpret the results.
5.5
6.0

Answer 1

Never gonna give you up, never gonna let you down, never gonna run around and dessert you.