The West view High School nurse is interested in knowing the average height of seniors at this school, but she does not have enough time to examine the records of all 430 seniors. She randomly selects 48 students. She finds the sample mean to be 64.5 inches and the standard deviation to be 2.3 inches.
- Find the estimated standard error of the mean.
- Construct a 90 percent confi dence interval for the mean.
Generally solution updated within 7 days. Contact us for urgent solution