In response to a survey question about the number of hours daily spent watching TV, the responses by the eight participants who identified themselves as women ages 25-30 were 2, 3, 2, 1, 0, 1, 4, 3. (a) Find a point estimate of the population mean for women between 25 and 30 years old. (b) The margin of error for this point estimate is 1.1. Explain what this represents and find the upper and lower limits of the confidence interval around the mean.