Con?dence interval for difference in mean weight loss

Assignment Help Basic Statistics

Reference no: EM13965250

Studies have shown that the risk of developing coronary disease increases with the level of obesity. A study comparing two methods of losing weight: diet alone and exercise alone were conducted on 82 men over 1-year period. Forty-two men dieted and lost an average of 16.0 lb over the year, with a standard deviation of 5.6 lb. Forty-?ve men who exercised lost an average of 10.6 lb, with a standard deviation of 7.9 lb. Construct a 99% con?dence interval for the difference in the mean weight loss by these two methods. State any assumptions you made and interpret the result you obtained.

Reference no: EM13965250

Questions Cloud

What condition is needed to form an image at distance : Suppose that the initial ray is one of many which leaves a point on an object positioned at do = a before the mirror. What condition is needed to form an image at distance di = b?

Population means and interpret : Construct a 95% con?dence interval for the difference between the population means and interpret.

Find the response of the system to the given inputs signals : Find the response of the system to the following inputs signals. Show your work on how you determined whether or not the system has or does not have each property.

Video angry eyes by jane elliot : video: Angry Eyes by Jane Elliot 1. So lets begin by discussing your overall thoughts on the video. 2. Is this video effective in addressing racial issues...how so?

Con?dence interval for difference in mean weight loss : Construct a 99% con?dence interval for the difference in the mean weight loss by these two methods. State any assumptions you made and interpret the result you obtained.

Focus on liberal individualistic views of health care : Need a 8-10 page paper with a focus on Liberal Individualistic views of health care disparities and health care coverage. According to the liberal individualist, what role should the government play in health care?

Under what section of what act were the supermarkets charged : Under what section of what act were the supermarkets charged - Which of the following restraints of trade would the Taft court consider to be ancillary and which would be naked restraints of trade? Why? Keep in mind that we can separate the questio..

Estimate difference between the population means : If the measurements are assumed to come from normally distributed populations with equal variances, estimate the difference between the population means, with con?dence coef?cient 0.95, and interpret.

Compare budgeting methods for two different kinds of entitiy : Write a memo of 300-400 words explaining what you would recommend that the museum manager do.

User Account

All Pages