Problem regarding the exercise equipment

Reference no: EM131008658

Exercise equipment

A leading manufacturer of exercise equipment wanted to collect data on the effectiveness of their equipment. An August 2001 article in the journal Medicine and Science in Sports and Exercise compared how long it would take men and women to burn 200 calories during light or heavy workouts on various kinds of exercise

a) On average, how many minutes longer than a man must a woman exercise at a light exertion rate in order to burn 200 calories? Find a 95% confidence interval.

b) Estimate the average number of minutes longer a woman must work out at light exertion than at heavy exertion to get the same benefit. Find a 95% confidence interval.

c) These data are actually averages rather than individual times. How might this affect the margins of error in these confidence intervals?

Reference no: EM131008658

Questions Cloud

Dry pavement stopping distance : Find a 95% confidence interval for the mean dry pavement stopping distance. Be sure to check the appropriate assumptions and conditions, and explain what your interval means.

Why is there no lower whisker in the given boxplot : The authors of the paper considered a time to defibrillation of greater than 2 minutes as unacceptable. Based on the given boxplot and summary statistics, is it possible that the percentage of patients having an unacceptable time to defibrillation..

Problem about the market value : Real estate agents want to set correctly the price of a house that's about to go on the real estate market. They must choose a price that strikes a balance be- tween one that is so high that the house takes too long to sell and one that's so low t..

Discuss the role of management accounting in an organisation : Discuss the role of management accounting in an organisation - Discuss the FIFO (First In First Out) and LIFO (Last In First Out) methods of inventory valuation making comparisons between them.

Problem regarding the exercise equipment : A leading manufacturer of exercise equipment wanted to collect data on the effectiveness of their equipment. An August 2001 article in the journal Medicine and Science in Sports and Exercise compared how long it would take men and women to burn 200..

Find the slopes of the two tangent lines at the given point : Consider Maclaurin's trisectrix x(t) = (t2 - 7)/2(1+t2), y(t) = t(t2 - 3)/(1+t2). Find the point on the curve where the curve crosses itself. Find the slopes of the two tangent lines at the point of self crosiing.

Develop a level production plan for covolo diving gear : Develop a level production plan for Covolo Diving Gear. What are the advantages and disadvantages of this plan? Could Covolo implement a pure chase plan, given the current capacity? Why? If sales continue to grow, what are the implications for pro..

Confidence interval for the mean difference : Using the summary statistics in Exercise 4, and assuming that the data come from a distribution that is Normally distributed, a) Find a 95% confidence interval for the mean difference in page views from the two websites.

Confidence interval narrower : a) Find a 95% confidence interval for the mean difference in ages of houses in the two neighborhoods using the df given in Exercise 7. b) Why is the confidence interval narrower than the one you found in Exercise 9? c) Is 0 within the confidence in..

User Account

All Pages