Maurice Tutor

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Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
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Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 23 Jan 2018 My Price 9.00

companion website

Refer to Exercise 14.14, in which the regression relationship between y = body temperature and x = age was given in Minitab output as  = 98.6 - 0.0138(Age).

a. What is the predicted body temperature for someone who is 21 years old?

b. There were two individuals in the sample who were 21 years old. Their body temperatures were 98.3 and 98.4 degrees. Compute the residual for each of these individuals.

c. The standard deviation from the regression line in this example is approximately s = 0.70 degrees. Use the Empirical Rule to give an interval that describes body temperature for about 95% of the population of people who are 21 years old.

d. Would it be unusual for a 21-year-old to have a body temperature of 98.6 degrees? Justify your answer.

Exercise 14.14

The dataset body temp on the companion website gives age in years and body temperature in degrees Fahrenheit for 100 blood donors ranging in age from 17 to 84 years old. Minitab output for the linear regression is as follows:

a. In the output, what value is given for the standard deviation from the regression line? Write a sentence that interprets this value.

b. In the output, the value of R2 is given as 9.8%. Write a sentence that interprets this value.

 

Answers

Maurice Tutor
(5)
Status NEW Posted 23 Jan 2018 06:01 PM My Price 9.00

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