Hypothesis testing of mean-actual-ideal weights

Reference no: EM13109870

1. In a study, results were presented for a sample of 63 men who were asked to report their actual weight and their ideal weight. The mean difference between actual and ideal weight was 2.48 pounds, and the standard deviation of the differences was 13.77 pounds. Is there sufficient evidence to conclude that for the population of men represented by this sample the actual and ideal weights differ, on average? Justify your answer by showing all steps of a hypothesis test.

Reference no: EM13109870

Questions Cloud

What are the disadvantages of obligate homeothermy : What are the disadvantages of obligate homeothermy, relative to the facultative homeothermy exhibited by many species of lizards and snakes?

Description of hypothesis testing-paired t test : A researcher studies the effect of cognitive psychotherapy on positive self-regard. The number of positive statements made about oneself is recorded for each participant during the first meeting.

Discuss standout features of the companies approaches : Discuss the standout features of the companies approaches to managing operations. Discuss the attributes you find impressive about the companies policies and procedures.

What might be some reasons that english puritans : What might be some reasons that English Puritans and French Huguenots and Jansenists were so prominent int he advancement of seventeenth-century science?

Hypothesis testing of mean-actual-ideal weights : In a study, results were presented for a sample of 63 men who were asked to report their actual weight and their ideal weight. The mean difference between actual and ideal weight was 2.48 pounds

Evaluate the impact to the us manufacturing industry : The regime in China has been known to manipulate it currency creating a competitive a world competitive advantage for the manufacturing of goods.

Example-single population proportion : Cite an example of how you could/would apply a test of a hypothesis for a single population proportion, two tail test described in the lecture to real world situations?

Finding measures of variation : The Consumer Price Index (CPI) and the cost of a slice of pizza

What constraints added to two resulting lp problems : A company will be able to obtain a quantity discount on component parts for its three products, X1, X2 and X3 if it produces beyond certain limits.

User Account

All Pages