Exercise 27 Calculating Descriptive
Statistics
The following questions refer to the section called
“Data for Additional Computational Practice” in
Exercise 27 of Grove & Ciphe
1. 1. What is the mean age of the sample
data? The mean age is - 56.5
1. 2. What percentage of patients never used
tobacco? The percentage of patients never used
Tabaco is -20%
4. 5. What is the range of age
values? The range of age values is -
51
Statistics
The following questions refer to the section called
“Data for Additional Computational Practice” in
Exercise 27 of Grove & Ciphe
1. 1. What is the mean age of the sample
data? The mean age is - 56.5
1. 2. What percentage of patients never used
tobacco? The percentage of patients never used
Tabaco is -20%
4. 5. What is the range of age
values? The range of age values is -
51
