Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 03 Feb 2018 My Price 6.00

difference in population means

Refer to Exercise 7.S.23. True or false (and say why): 95% of the time, when conducting a study of this

size, the difference in sample means  will be within approximately  calories of the difference in population means

Exercise 7.S.23:

A student recorded the number of calories in eachof 56 entrees—28 vegetarian and 28 nonvegetarian— served at a college dining hall.75 The following table summarizes the data. Graphs of the data (not given here) show that both distributions are reasonably symmetric and bell shaped. A 95% confidence interval for  is  . For each of the following, say whether the statement is true or false and say why.

(a) 95% of the data are between -27 and 85 calories.

(b) We are 95% confident that  is between -27 and 85 calories.

(c) 95% of the time  will be between and 85 calories.

(d) 95% of the vegetarian entrees have between 27 fewer calories and 85 more calories than the average

nonvegetarian entree.

 

Answers

Maurice Tutor
(5)
Status NEW Posted 03 Feb 2018 11:02 PM My Price 6.00

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