In a test of the Atkins weight loss program, 40 individuals participated in a randomized trial with overweight adults. After 12 months, the mean weight loss was found to be 2.1 lb, with a sample standard deviation of 4.8 lb.

a. What is the best point estimate of the population mean weight loss of all overweight adults who follow the Atkins program?
b. Construct a 99% confidence interval estimate of the mean weightloss for all such subjects.
c. Does the Atkins program appear to be effective? Is itpractical?

Name these type of angles shown check all that applies

The average hourly earnings for a construction worker is projected to be $24.50 in 2012. jason wants to join the construction work force after he graduates in 2012. his friend tells him that average hourly earnings for construction workers will rise by 2% from 2009 to 2012. based on the data below, assuming that the projected hourly earnings are correct, is jason’s friend’s statement accurate? construction industry - average hourly earnings, 2000-2009 a. his friend’s statement is accurate. the average hourly earnings will increase by 2%. b. his friend’s statement is not accurate. the percent increase will be more than 2% c. his friend’s statement is not accurate. the percent increase will be less than 2% d. his friend’s statement is not accurate. the average hourly earnings will decrease

Select the correct answer and solve for y