In this section you learned how to check to see if it is reasonable to assume that the sample data came from a normal population.
In this section you learned how to check to see if it is reasonable to assume that the sample data came from a normal population.
• To be able to assume that it is reasonable to assume sample data came from a normal population, you need the following conditions on 3 different graphs:
You need the ___ __________________ to be ________________ ____________________
You need the _ _____ _______________ to show no __ __of the rest of the values_________________________
You need the _________ ____________ to be ____________________ ________________
Fill in the following as you work through your given problems in MyOpenMath
1.a. Fill in the following in the context of this problem:
Individual:._________ a randomly selected patient four days after having a heart attack ________________
Variable: ______ the cholesterol level ______________________________
Type of variable: qualitative quantitative-discrete quantitative-continuous
rv X = the __________ cholesterol level ____________________________ of a r.s.________ patient four days after having a heart attack _________________
b. Use StatCrunch to make the normal probability plot (QQ plot). Print and attach graph.
c. Use StatCrunch to make the modified boxplot. Print and attach graph.
d. Is it reasonable to assume that the sample data come from a population that is normally distributed? _yes__
Explain your reasoning: ___ It is reasonable to assume that the sample data came from a normal population ___________________________________________________________
2.a. Fill in the following in the context of this problem:
Individual: a r.s.____ _____________________
Variable: _________ ___________________________
Type of variable: qualitative quantitative-discrete quantitative-continuous
rv X = the ________ ______________________________ of a r.s._______ __________________
b. Use StatCrunch to make the normal probability plot (QQ plot). Print and attach graph.
c. Use StatCrunch to make the modified boxplot. Print and attach graph.
d. Is it reasonable to assume that the sample data come from a population that is normally distributed?
Explain your reasoning: _____ It is not reasonable to assume that the sample data came from a normal population
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