A researcher wanted to estimate the total number of hours students spent watching Zoom lectures each week for their courses. A sample of 48 students was surveyed and the sample spent a mean time of...

A researcher wanted to estimate the total number of hours students spent watching Zoom lectures each week for their courses.  A sample of 48 students was surveyed and the sample spent a mean time of 22.1 hours watching Zoom lectures in a week, with a sample standard deviation of 4.7 hours.

Construct a 95%
confidence interval
for the population
mean
number of hours students spent watching Zoom lectures.

Round your final answers to
one decimal place.

    ______________     hours ≤ μ ≤   ______________   hours