Weight loss from diet

Assignment Help Basic Statistics
Reference no: EM1399593

When 40 people used the Weight Watchers diet for one year, their weight losses had a standard deviation of 4.9 lb (based on data from "Comparision of the Atkins, Ornish, Weight Watchers, abd Zone Diets for Weight Loss and Heart Disease Reduction, ") by Dansinger, et al., Journal of American Medical Association, Vol. 293, No. 1) Use a 0.01 significance level to test the cliam that the amounts of weight loss have a standard deviation equal to 6.0lb, which appears to be the standard deviation for the amounts of weight loss with the Zone diet.

Reference no: EM1399593

Questions Cloud

Types of decisions that do not involve uncertainty : Describe the types of decisions that do not involve uncertainty and risk and common approaches used for analyzying them.
Calculate the average cost : Alyssas Custom cakes currently sells 4 birthday, 1 wedding and 2 specialty cakes each month for $55, $155, and $105 each, respectively. Alyssas current multifactor productivity ratio is 1.35.
Explain reverence to the danger jolly had : Ira shops in a Jolly Mart store Induced by a display Ira takes an item to observe it and, when he is done, places it on the floor. Kris a consumer induced by the same display doesn't see the item on the floor trips over it
Problem of bayes analysis : Assume that a patient is believed to have one of two diseases, denoted by D1 and D2 with P(D1)=0.40 and P(D2)=0.60 and that medical research has determined the probability associated with each symptom that may accompany the diseases.
Weight loss from diet : When 40 people used the Weight Watchers diet for one year, their weight losses had a standard deviation of 4.9 lb (based on data from "Comparision of the Atkins, Ornish, Weight Watchers, abd Zone Diets for Weight Loss and Heart Disease Reduction, ..
Information about discrete distributions : Let X equal the number of "ones" if a fair dice is tossed two independent times by someone out in the hall. If X=x that person gives the player a bowl consisting of 10-3x red chips and 3x white chips.
How to create the passion-energy and conviction : On what basis do people make those decisions between completing interests and appetites? and How do they create the passion, energy, and conviction to really do what they know is best thing.
Explain dollar on the foreign exchange markets : If the Yuan is permitted to float freely against the U.S. dollar on the foreign exchange markets as well as appreciates in value how might this distress the fortunes of those enterprises?
Bayes theorem and survey of probability concepts : One-fourth of the residents of the Burning Ridge Estates leave their garage doors open when they are away from home. The local chief of police estimates that 5 percent of the garages with open doors will have something stolen

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability based on bayes theorem

According to the patient's history and physical examination. What are the chances of herniation if the MRI is positive?

  Modelling with single qualitative independent variable

When modelling E(y) with single qualitative independent variable, number of 0 - 1 dummy variables in model is equal to number of levels of qualitative variable.

  Find relatively higher cholesterol

A teacher gave a 25 question multiple choice test. After scoring the tests, she computed a mean and standard deviation of the scores. The standard deviation was 0. Based on this information

  Computing the various statistical parameters

Assume there're three states of the economy: boom, moderate growth, and recession. The annual return on company A stock and company B stock in each state of the economy is given below

  Determining class with greatest number of data values

Determine the class with the greatest number of data values.

  Significant difference between the two massage techniques

A sample of 10 persons is used to measure the effectiveness of two massage techniques. The effectiveness of the techniques is measured by the number of days that pass by before the subjects feel the need for another massage session.

  Approximate probability regarding regional bar association

According to the regional bar assoc., 60% of people who take the bar exam pass. Find the approximate probability that at least 61% of 200 randomly selected people taking the bar will pass. Round to three decimal places as needed.

  Assessing null and alternative hypothesis to test the claim

If we wanted to shorten the interval of the estimation of the true mean of Saturday sales to a width of $600 in total, what should the size of our sample be to achieve it?

  Compute required probabilities based on empirical rule

Using the empirical rule what percentage of adults is 25 - 45 has iq score bet 70 and 130.

  Determining range and standard deviation of times

Determine the range and standard deviation of the times.

  Confidence interval using a t-distribution

The 99% confidence interval using a t-distribution is ( ), ( ). Round to one decimal place as needed

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd